Best building sets Deals Online in the US
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LEGO Super Mario Game Boy - Retro Building Sets for Adults, Ages 18+ - Gifts for Valentines Day for Him - Collectible Model with Game Paks and Display Stand - 72046LEGO - Best Value
30% OffMagna-Tiles microMAGS 26-Piece Travel Magnetic Construction Set – Bold Colors, The Original Magnetic Building BrandMAGNA-TILES 
Mega Construx Pokemon Pokeball Series 17 Building Sets-CHOOSE YOUR POKEBALL*NewFree Shipping
KKQ Jellyfish Building Sets for Adults,Ocean Animal Model Kits Collection Toy for Home or Office Decor with Botanical Flower Base,Creative STEM Building Gift for Teens Boys and Girls 8-14(526PCS)KKQ
Piececool Mogul Locomotive Metal Model Building Toy Complete Set Gifts 282/pcs
170 Pcs Building Toys for Kids Ages 4-8 with Toy Box Storage, Idea Guide, Building Blocks STEM Toys for 3 4 5 6 7 8 9 Year Old Creative Kids Activity, Christmas Birthday Gifts for Boys GirlsCaferria
170 Pcs Building Toys for Kids Ages 4-8 with Toy Box Storage, Idea Guide, Building Blocks STEM Toys for 3 4 5 6 7 8 9 Year Old Creative Kids Activity, Christmas Birthday Gifts for Boys GirlsCaferria-
NEW, Block Bouquet VASE Building Block Set 129 Pieces Use With Flower BouquetFree Shipping
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Yushinv Cherry Blossom Tree Building Set with Gift Box, Original Music Cherry Blossom Tree House(Type :Symphony), Japanese Sakura Tree House Lights Building Kit3320 Pcs, Cherry Bonsai Building Set.Yushinv
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Magna Tiles Metropolis 110 Piece Set Magnetic Building Blocks Educational Toy
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10% OffTYCOLE Vintage Pendulum Clock Building Block Set, Stem Toy with Real Clock Function and Linkable Mechanical Pendulum, Unique Home Decoration and Collectible for Adults&Kids 6+TYCOLE
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TYCOLE Vintage Pendulum Clock Building Block Set, Stem Toy with Real Clock Function and Linkable Mechanical Pendulum, Unique Home Decoration and Collectible for Adults&Kids 6+UsedTYCOLE
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New Building Block Sets 100PCS Toys Construction Blocks Puzzle With Storage Case
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LEGO Creator 3 in 1 Turtle with a Water Lily Flower Building Toy for Girls & Boys - Kids Build a Chameleon, Frog, or Turtle Toy Figure - Gift Idea for Animal Lovers, Ages 7+ - 31377LEGO
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Magnet Tiles NEW 2020 Mag-Genius Magna Award Winning Building Magnetic Toy 60pc
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15% OffXITALAXU Mechanical Fish Building Sets,Ocean Animal Collection Toy,Adults Home or Office Decor,STEM Building Gift for Teens Boys and Girls 8-14 (1038PCS)XITALAXU
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168 Pcs Marble Run Building Blocks Classic Blocks STEM Toy Bricks Set Kids Race
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10% Offchoopheme 10 in 1 Stem Toys for 5 6 7 8 9+ Year Old Building Block Kit Stem Activities Projects Boy Toys Age 4-8 5-7 6-8 8-10 Creative Set Educational Engineering Excavator Construction Birthdaychoopheme
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*SUPER CLOSEOUT DEAL* Jumbo Size Set 100 Pieces Magnetic Tiles Building Blocks
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Rolife DIY Miniature Greenhouse Kit, Tiny/Mini House Making Kit with Furniture for Adults, Furniture, Halloween/Christmas Decorations, Gifts for Family and Friends (Cathy's Greenhouse)Rolife
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Mini Bricks Construction Set - Clock Tower
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Micro Brick Tree of Life Building Set, Creative Nature World Model, 3D Wall Art Home Office Decoration or Table Display, Collectible Display Set, Ideas Gift Building Toy for Adults,Teens Ages 8+ KidsTG BLOCKS
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Playmobil 71016 Asterix Cacofonix & Treehouse Build Set - BRAND NEW
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Micro Brick Tree of Life Building Set, Creative Nature World Model, 3D Wall Art Home Office Decoration or Table Display, Collectible Display Set, Ideas Gift Building Toy for Adults,Teens Ages 8+ KidsTG BLOCKS
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Nanoblock Box SetsFree Shipping
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29% OffiATOM Skull Roses Flower Bouquet Building Set, Botanical Collection Kit for Adult Women, Gift for Valentines Day for Her/Girlfriend/Mom/Wife/Couple, Goth Horror Skeleton Pot Home Table Decor AestheticiATOM
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Zuru Max Garden Collection Brick Building Kits, Assorted 4 Pack, 763 Pieces
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K'NEX - Adventure Wheels Building Set - 480 Pieces‚ STEM Building, Creative Construction Set‚ Ages 7+K'NEX
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Rokr 3D Puzzle Building Toys Set Wooden Jigsaws for Adult Kids Xmas Music Gifts
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K'NEX - Adventure Wheels Building Set - 480 Pieces‚ STEM Building, Creative Construction Set‚ Ages 7+UsedK'NEX
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Titanic Icons Mock High Quality Building Blocks 10294 Set Bricks Toys 9090 Pc
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LEGO Speed Champions Time Machine from Back to The Future Building Toy for Kids - Pretend Play & Display Car Toy W/2 Build Modes for Boys & Girls, Ages 9+ - Gift Ideas for Birthdays & Fans - 77256LEGO
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Peanuts Building Blocks - Basement Dog House
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20% OffLEGO Technic Bugatti Bolide Racing Car Building Set - Model and Race Engineering Toy for Back to School, Collectible Sports Car Construction Kit for Boys, Girls, and Teen Builders Ages 9+, 42151LEGO
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28% OffINSOON Country General Store Building Set for Adults with Lights, 1709 PCS Vintage Shop House Construction Building Block Kit, Home Decor Cabin Architecture Model for Women Men Teens Boys Girls 12+INSOON
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Vilbocr Mini Flowers Building Block Set,Flower Blocks Toys,Plants and Succulent Toys,Building Block Flowerpot，Botanical Collection Birthday Gift for Girls Boys Adults Kids Ages 6+ (Narcissus 166Pcs)Vilbocr
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Pink Palace House Building Set, Halloween Mansion Model Toys Kit, Haunted House Building Blocks, Compatible with Lego, Horror Architecture for Kids Adults, Christmas or Holiday (566PCS)ZIQILIGHTING
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20% OffSillbird 12-in-1 Solar Robot Building Kit STEM Gift for Boys Aged 8-13, DIY Science Educational Robotic Toys for Kids Teens Birthday, Powered by The Sun with 190 PiecesSillbird
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Pink Palace House Building Set with Lights, Halloween Haunted House Blocks Toy, Halloween House Kit for Kids Adults, Compatible with Lego, Christmas for Girls and Boys, Aged 8+ (1349PCS)ZIQILIGHTING
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Henofen City Grocery Store Building Blocks Set for Adults, 3 Levels Street View Modular House Building, Christmas Birthday Gift for Teens(2225 Pcs)Henofen
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LEGO Icons Tranquil Garden Building Set - Detailed Japanese Zen Garden DIY Kit for Adults, Ages 18+ - Gift for Birthday - Building Block Set for Home Decor - 10315LEGO
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20% OffLEGO Botanicals Plum Blossom Building Sets for Adults - Artificial Flower for Dinner Table Centerpiece, Living Room Home Decor, Ages 18+ - DIY Craft Kits - Gift for Birthdays - 10369LEGO
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18% OffHJPLPXH Magic Medieval Castle Architecture Building Block Sets, Creative Ideals Gifts for Boys Girls Adults (1555PCS)HJPLPXH
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370 Pieces Johnny 5 Robot Building Set, Johnny Five Robot Model Toys, Compatible with Lego, Educational Gift Set for Ages 8-14 BoysVONADO
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15% OffLEGO Creator 3 in 1 Typewriter with Flowers - Building Toy with 3 Building Options, Typewriter, Flowerpot with Pen & Notebook, or Keytar - Gift Idea for Birthdays - 31169LEGO
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13% OffXITALAXU Mechanical Octopus Building Sets for Adult, Ocean Animal Collection Toy with Display Stand and Light, Home Office Decor and Idea Gift for Teen 14+(882PCS)XITALAXU
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National Geographic Magnetic Marble Run - 75-Piece STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces & Marbles for Building A Marble Maze, STEM ProjectBlue Marble
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23% OffLEGPS YYDS Flower House Building Mini Set with LED, City Street View Greenhouse Building Blocks Toy, Valentine Xmas Gift for Friends or Girls 8-12 YearLEGPS YYDS
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29% OffLEGO Classic Medium Creative Brick Box 10696 Building Toy Set - Featuring Storage, Includes Train, Car, and a Tiger Figure, and Playset for Kids, Boys, and Girls Ages 4-99LEGO
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TG BLOCKS Micro Brick Ocean World Building Set, 3D Wall Art Home Office Decoration or Table Display, Creative Building Craft Set, Ideas Gift Building Toy for Adults,Teens Ages 8+ KidsTG BLOCKS
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TG BLOCKS Micro Brick Ocean World Building Set, 3D Wall Art Home Office Decoration or Table Display, Creative Building Craft Set, Ideas Gift Building Toy for Adults,Teens Ages 8+ KidsTG BLOCKS
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34% OffLEGO Classic Large Creative Brick Box 10698 Building Set, Toy Storage Solution for Home or Classrooms, Interactive Building Toy for Kids, Boys, and GirlsLEGO
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BRICHBROW Party Favors for Kids - 12 Pack Animals Building Blocks for Goodie Bags Stocking Stuffers Classroom Prizes Birthday Gifts Toy Building Sets for Kids 6-12yrsBRICHBROW
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25% OffLEGO Creator 3 in 1 Wild Animals: Tropical Toucan Building Toy for Kids- Jungle Building Blocks & Learning Toy for Girls & Boys, Ages 7+ - Build 3 Animal Toys in 1 Set - Gift for Birthdays - 31173LEGO
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Vziimo Cherry Blossom Bonsai Tree Building Sets, Japanese Tree House Model Sets, 1149 PCS Mini Bricks Creative Gifts for Teens Adults 14+Vziimo
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20% OffLEGO Star Wars Millennium Falcon A New Hope 25th Anniversary Collectable Model - DIY Building Sets for Adults, Men & Women, Ages 18+ - Comes with Display Stand - Star Wars Gift - 75375LEGO
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Brain Flakes 500 Piece Set, Ages 3+, Interlocking Plastic Disc Toy for Creative Building, Educational STEM Learning, Construction Block Play for Kids, Teens, Adults, Boys, and GirlsBrain Flakes
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LEGO Star Wars TIE Bomber Model Building Kit, Star Wars Toy Starfighter with Gonk Droid Figure, Darth Vader Minifigure and Lightsaber, Collectible Star Wars Gift for 9 Year Olds, 75347LEGO
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20% OffLEGO Botanicals Lucky Bamboo Building Set - Artificial Plant for Indoor Home Décor, Adults Ages 18+ - Gift for Valentines Day for Him - Fake Plant Decoration for Table, Desk, Office - 10344LEGO
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QISHOUTING Cherry Blossom Tree Building Set, 1113PCS, Flowers Bonsai Tree Mini Blocks Kit for Adult,Japanese Sakura-Tree House Building Blocks,Gift Ideas for Girls 8 10 12 14+ (Pink)QISHOUTING
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13% OffLEGO Marvel Spider-Man Mech vs. Anti-Venom Building Toy Set - Spider-Man Toy for Kids, Boys and Girls, Ages 6+ - Buildable Action Figure - Superhero Gift for Birthday - 76308LEGO
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3000+PCS Micro Mini Blocks Magic Castle Building Blocks Toys,Creative Ideals Hog Tower Building Sets, Best Choice for 14+ Boys, Girls or AdultsBibilock
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3000+PCS Micro Mini Blocks Magic Castle Building Blocks Toys,Creative Ideals Hog Tower Building Sets, Best Choice for 14+ Boys, Girls or AdultsBibilock
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LEGO Technic Planet Earth and Moon in Orbit Building Set, Birthday Gift for 10 Year Olds, Solar System Toy for Imaginative, Independent Play, Space Room Décor for Boys & Girls, 42179LEGO
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15% OffLEGO Animal Crossing Stargazing with Celeste Building Toy - Animal Crossing Toy Figure and Playset for Kids, Girls & Boys, Ages 6+ - Pretend Play Gift Idea for Birthdays - 77053LEGO
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NXONE 195 PCS Educational STEM Toys for Boys and Girls Ages 3 4 5 6 7 8 9 10 Construction Building Blocks Toy Building Sets Kids Toys Creative Activities Games with Storage BoxNXONE
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LEGO Creator 3 in 1 Haunted Mansion Building Toy for Kids - Halloween Building Blocks & Learning Toy for Girls & Boys, Ages 9+ - Build a Haunted House, Train, or Ship - Gift for Birthdays - 31167LEGO
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15% OffLEGO Botanicals Chrysanthemum Building Set for Adults Ages 18+ - Artificial Flower for Dinner Table Centerpieces & Decoration - Gift for Birthdays - 10368LEGO
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28% OffJOYIN 236Pcs Glowing Marble Run with Motorized Elevator- Construction Building Blocks Toys with 30 Glow in The Dark Plastic Marbles, STEM Toy for Boys and Girls, Birthday Gift, Easter Basket StuffersJOYIN
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20% OffJOYIN 236Pcs Glowing Marble Run with Motorized Elevator- Construction Building Blocks Toys with 30 Glow in The Dark Plastic Marbles, STEM Toy for Boys and Girls, Birthday Gift, Easter Basket StuffersJOYIN
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21% OffWW2 Army Tank Toys Building Kit Compatible with Lego, Create a German Tiger & an American M4 Sherman Models with 1184 Blocks, Great Military Toy Gifts for Boys, Kids Age 8-14MISTBUY
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WW2 Army Tank Toys Building Kit Compatible with Lego, Create a German Tiger & an American M4 Sherman Models with 1184 Blocks, Great Military Toy Gifts for Boys, Kids Age 8-14MISTBUY
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BLDR Chainsaw Man Buildable Action Figure Construction Set 0040-10-Inch Articulated Constructible Figure with 311 PiecesBLDR
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20% OffPicassoTiles 100 Piece Set 100pcs Magnet Building Tiles Clear Magnetic 3D Blocks Construction Playboards, Creativity Beyond Imagination, Inspirational, Recreational, Educational ConventionalPicassoTiles
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LEGO NINJAGO Rogue’s Mech Dragon Rider Building Toy - Dragons Rising Play Set & 4 Ninja Toy Minifigures for Boys & Girls, Ages 8+ - 2 Ways to Build & Play - Gift Idea for Birthdays - 71843LEGO
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LEGO Architecture New York City Model Kit - Bedroom or Office Decor for Kids & Adults, Ages 12+ - Building Blocks to Display - NYC Gift & Souvenir Ideas - 21028LEGO
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TG BLOCKS Micro Brick Flower Parrot Toy Building Sets, Home Decor and Office Art Creative Gift, DIY Plant Model for Adults, for Teens Ages 8+ KidsTG BLOCKS
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TG BLOCKS Micro Brick Flower Parrot Toy Building Sets, Home Decor and Office Art Creative Gift, DIY Plant Model for Adults, for Teens Ages 8+ KidsTG BLOCKS
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20% OffLEGO Classic Creative Suitcase 10713 - Includes Sorting Storage Organizer Case with Fun Colorful Building Bricks, Preschool Learning Toy for Kids, Boys and Girls Ages 4 Years Old and UpLEGO
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17% OffToyUnited Magnetic Blocks-100PCS Magnetic Building Blocks Magnet Cube Toys Stacking,Build Forest World Set,STEM Montessori Sensory Toys for Kids Boys Girls Age 3 4 5 6 7 8 9 10 Christmas Birthday GiftToyUnited
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20% OffLucky Doug Building Kit Model Car Set - STEM Project Building Toys for Kids Ages 8-12, Assembly Building Vehicle for Boys 8 9 10 11 Years OldLucky Doug
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JMBricklayer Pirate Ship Building Toys with Lights, Ghost Ship Flying Dutchman Model Ship Boat 40001, Toy Building Sets for Adults, Easter Decor Christmas Birthday Valentines Gifts (1100 PCS)JMBricklayer
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JMBricklayer Pirate Ship Building Toys with Lights, Ghost Ship Flying Dutchman Model Ship Boat 40001, Toy Building Sets for Adults, Easter Decor Christmas Birthday Valentines Gifts (1100 PCS)UsedJMBricklayer
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LEGO Speed Champions Oracle Red Bull Racing RB20 F1 Race Car Model Kits - Building Set for Adults, Ages 18+ with Realistic Features - Red Bull F1 DIY Crafts for Display - Gift Idea for Fans - 77243LEGO
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Lincoln Logs 100th Anniversary TinLincoln Logs
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Lincoln Logs 100th Anniversary TinUsedLincoln Logs
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LEGO ONE PIECE Battle at Arlong Park Building Blocks - Pretend Play Building Toy for Boys & Girls, Ages 9+ - 5 Straw Hat Pirates Toy Figures & Playset for Anime Fans - Gift Idea for Birthdays - 75638LEGO
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TG BLOCKS Micro Brick Flower World Building Set, 3D Floral Wall Art Home Office Decoration or Table Display, Creative Building Craft Set, Ideas Gift Building Toy for Adults,Teens Ages 8+ KidsTG BLOCKS
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TG BLOCKS Micro Brick Flower World Building Set, 3D Floral Wall Art Home Office Decoration or Table Display, Creative Building Craft Set, Ideas Gift Building Toy for Adults,Teens Ages 8+ KidsTG BLOCKS
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49% OffLearning Resources Gears! Gears! Gears! 100-Piece Deluxe Building Set -STEM Activities, Fine Motor Skills, Toddler Explorer Kit, Science and Construction, Boys and Girls GiftsLearning Resources
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Learning Resources Gears! Gears! Gears! 100-Piece Deluxe Building Set -STEM Activities, Fine Motor Skills, Toddler Explorer Kit, Science and Construction, Boys and Girls GiftsUsedLearning Resources
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Flower House Building Set, Creative Garden Playset Toy with LED Light, Build a Greenhouse Model, Great Gift for Friends or Girls (597 Pieces)BuildingBoat
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INSOON City Street Café House Building Set with Lights, 1493 PCS Retro Coffee Stand Building Block with Openable Design, Coffee Shop Model for Home Decor, Gift for Adults Women Teens Boys Girls 12+INSOON
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INSOON City Street Café House Building Set with Lights, 1493 PCS Retro Coffee Stand Building Block with Openable Design, Coffee Shop Model for Home Decor, Gift for Adults Women Teens Boys Girls 12+UsedINSOON
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LEGO NINJAGO Kai's Ninja Race Car EVO, 2 in 1 Building Toy Set, Kids Can Build an Off Road Vehicle or Race Car, Ninja Minifigure with Toy Swords, Gift for Boys, Girls and Kids Ages 6+, 71780LEGO
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LEGO Disney & Pixar Wall-E & EVE Building Set for Adults, Ages 18+ - Home Office, Book Shelf, or Room Decor for Disney Fans - Gift Ideas for Men & Women - 43279LEGO
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25% OffELEGOO UNO R3 Smart Robot Car Kit V4 for Arduino Robotics for Kids Ages 8-12 12-16 STEM Science Kits Coding Gifts for 8 9 10 11 12 13 14 15 16 Year Old Boys Girls Teens Cool Engineering Building ToysELEGOO
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25% OffELEGOO UNO R3 Smart Robot Car Kit V4 for Arduino Robotics for Kids Ages 8-12 12-16 STEM Science Kits Coding Gifts for 8 9 10 11 12 13 14 15 16 Year Old Boys Girls Teens Cool Engineering Building ToysELEGOO
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LEGO Creator 3 in 1 Forest Animals Red Fox Toys - Building Toys for Kids, Boys & Girls, Ages 9+ - W/ 3 Building Options into Fox, Owl, or Squirrel - Gift for Birthdays - 31154LEGO
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34% OffMEGA Pokémon Building Toys Set, Kanto Region Pokédex with 322 Pieces, Light and 5 Lenticular Cards, for Kids or Adult CollectibleMega Brands
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12% OffBottleboom STEM 13-in-1 Education Solar Power Robots Toys for Boys Age 8-12, Educational Toy Science Kits for Kids Experiment Robotics Set Birthday Gifts for 8 9 10 11 12 Years OldBottleboom
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LEGO Creator 3 in 1 Unicorn Castle Building Toy for Kids - Unicorn Toy Trio for Girls & Boys, Ages 8+ - Build 3 Pretend Play Toys with 1 Set of Building Blocks - Gift Idea for Birthdays - 31175LEGO
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BDYDT Wall Art Chameleon Building Blocks Set; A Wall Decor Set for Adults Who Love Creative Hobbies(2688 Pieces) Toys Gifts for Kid and AdultBDYDT
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10% OffCUBIMANA Wilderness Bus Building Set with Light, 1392PCS Camping Building Toy Kit with Removable Bus, Animals and Rich Accessories, Creative Home Decor & Display, Xmas Birthday Gifts for Adults TeensCUBIMANA
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10 in 1 STEM Toys for 4 5 6 7 8+ Year Old Boy Girl Birthday Gifts Building Toys for Kids Ages 4-8 5-7 6-8 Educational Learning Stem Activities for Boys 3-5 4-6 8-10 Creative Games Valentine Idea GiftTsomtto
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10 in 1 STEM Toys for 4 5 6 7 8+ Year Old Boy Girl Birthday Gifts Building Toys for Kids Ages 4-8 5-7 6-8 Educational Learning Stem Activities for Boys 3-5 4-6 8-10 Creative Games Valentine Idea GiftUsedTsomtto
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10 in 1 STEM Toys for 4 5 6 7 8+ Year Old Boy Girl Birthday Gifts Building Toys for Kids Ages 4-8 5-7 6-8 Educational Learning Stem Activities for Boys 3-5 4-6 8-10 Creative Games Valentine Idea GiftTsomtto
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LEGO Technic Koenigsegg Jesko Absolut Grey Hypercar, Sports Car Building Set for Boys and Girls, Vehicle Racing for Kids, Buildable Model Kit, Sport Car Toy, Motor Enthusiasts’ Gift, 42173LEGO
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Pink Girls Summer Villa Friends Building Set Compatible with Friends Construction Educational Toy for Kids Age 8-12 and Up 1018 PCSHSANHE
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Pink Girls Summer Villa Friends Building Set Compatible with Friends Construction Educational Toy for Kids Age 8-12 and Up 1018 PCSUsedHSANHE
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22% Offkvsju Architecture Acropolis Castle, Famous Landmark Architecture Athenian Acropolis Building Block Sets, Collectible Exhibition Model for Children and Adultskvsju
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15% OffLEGO F1 Collectible Race Cars, 6 Pack - Building Set for Boys & Girls, Ages 6+ - Birthday Party Favor or Gift - Mystery Box W/Surprise F1 Car Toys - Travel Toys for Kids - 66796LEGO
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23% OffBLDR Squishmallows Sunny’s Park Life Building Set - Sunny The Bee Buildable Figure - Squishmallows Fans 8+, 0043BLDR
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15% OffSUNHABI Flower Building Set for Adults, Crescent Moon Botanical Art Display, Creative Floral Home Décor for Table or Wall, Gift for Flower LoversSUNHABI
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27% OffLucky Doug Solar Power Kits Toys for Boys Ages 8-13, STEM Robot Kit Toys Gifts for Kids 8 9 10 11 12 13 Years, Educational Building Science Experiment Set Birthday for Kids Boys GirlsLucky Doug
115 Building Sets deals are available from:
Amazon, eBay stores, starting from $6.85.
The biggest discount we found is 49% on Learning Resources Gears! Gears! Gears! 100-Piece Deluxe Building Set -STEM Activities, Fine Motor Skills, Toddler Explorer Kit, Science and Construction, Boys and Girls Gifts at Amazon.
The lowest price we found is $6.85 while the highest is $209.09.
Prices for the best Building Sets deals average at $35.10.
Last updated on February 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Building Sets.