Hot Dealsin Building Sets
Limited time offersUS
26% off
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BEST DEAL
Demkia 30 Packs Party Favors for Kids - STEM Toys Mini Animals Building Blocks Sets for Goodie Bags Stuffers Classroom Prizes, Valentines Day Birthday Gifts for Boys Girls Ages 6+
$22.09$29.99Save $7.9
Deal runs: 6/9/2025 - 6/16/2025
15% off
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BEST DEAL
Mould King 10088 V8 Engine Model Kit - 535 Pcs to Build Your Own Mini Engine That Works - DIY STEM Mechanic Engineering Construction for Kids/Teens, Hobby Building Blocks Kit for Adults
$41.64$48.99Save $7.35
Deal runs: 6/9/2025 - 6/16/2025
31% off
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BEST DEAL
burgkidz Building Blocks STEM Pipe Tube Learning Toys Birthday Gifts, Educational Autistic Toy Compatible Building Pipeworks Constructions for Kids Boys Girls Ages 3 4 5 6 7 8+
$18.61$26.88Save $8.27
Deal runs: 6/9/2025 - 6/16/2025
15% off
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BEST DEAL
Mould King V8 Engine Building Blocks Sets, MOC Scale Model Kit with Battery and Motor, Collectible Set for Adults, Construction Toys for Kids Children Boys Girl (535 Pcs)
$41.64$48.99Save $7.35
Deal runs: 6/9/2025 - 6/16/2025
10% off
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BEST DEAL
Sillbird Robot Building Kit with Remote Control STEM Gifts for Boys Ages 8-12, Technic Coding Robotic Toys for Kids Birthday, Build 5in1 Models with 488 Pieces - Blue
$53.99$59.99Save $6.0
Deal runs: 6/9/2025 - 6/16/2025
14% off
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BEST DEAL
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+ Kids
$17.18$19.99Save $2.81
Deal runs: 6/9/2025 - 6/16/2025
21% off
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BEST DEAL
INSOON Titanic Building Set with LED Light, 2 in 1 Titanic Ship Mini Building Block 1883 PCS, Ship Model with Glacier Display Stand, Building Brick Toy Gift for Adults Teens Kids Boys Girls 10 11 12+
$43.99$55.99Save $12.0
Deal runs: 6/9/2025 - 6/16/2025
33% off
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BEST DEAL
INSOON Mechanical Shark Building Set with LED Light, 687 PCS Movable Ocean Animal with Display Stand, Sea Fish Building Block Toy, Home Decor Gift for Adults Teens Kids Boys Ages 12+
$27.99$41.99Save $14.0
Deal runs: 6/9/2025 - 6/16/2025
31% off
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BEST DEAL
HOGOKIDS 30 Packs Party Favors for Kids - 867PCS Animals Building Blocks Sets for Classroom Prizes Goodie Bag Fillers Stocking Stuffers Birthday Valentines Easter Gifts for Kids Boys Girls 6+
$23.39$33.99Save $10.6
Deal runs: 6/9/2025 - 6/16/2025
30% off
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BEST DEAL
burgkidz Educational Toy Classic Big Size Bricks Building Blocks, Large Compatible Animal Building Bricks with Reusable Storage Bucket Gift for Boy Girl Ages 3+
$32.38$45.98Save $13.6
Deal runs: 6/9/2025 - 6/16/2025
33% off
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BEST DEAL
15 Pack Flowers Plants 3.6MM Mini Building Sets - 1314PCS Flower Succulents Botanical Collection for Home Office Décor Block Toy, Creative Flowers Building for Easter Mother's Day Birthday Adult Women
$27.99$41.99Save $14.0
Deal runs: 6/9/2025 - 6/16/2025
10% off
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BEST DEAL
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 Girls
$25.19$27.99Save $2.8
Deal runs: 6/9/2025 - 6/16/2025
16% off
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BEST DEAL
LEGO Technic & Speed Champions McLaren Racing Pack Building Toys Set - Race Cars Toys for Kids, Boys & Girls, Ages 9+ - Gift Ideas for Birthdays - 66792
$61.5$73.25Save $11.75
Deal runs: 6/2/2025 - 6/16/2025
24% off
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BEST DEAL
Opmind 5 in 1 STEM RC Robot Building Kit, APP & Remote Control Samurai/Ninja Blocks 419 Pcs, Erector Set RC Toy for Kids, DIY Build Science Educational Gift for Age 6 7 8 9 10 11 12+ Boys & Girls
$45.53$59.97Save $14.44
Deal runs: 6/9/2025 - 6/16/2025
29% off
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BEST DEAL
LECPOP 5 in 1 Building Toys STEM Robotics Kit, 430 PCS Blocks RC Robot Erector Sets, APP & Remote Control Excavator Science Kits for Kids Age 6 7 8 9 10 11 12-14, DIY Educational Gift for Boys & Girls
$49.97$69.97Save $20.0
Deal runs: 6/9/2025 - 6/16/2025
25% off
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BEST DEAL
Kravkind 956pcs, 39inch for Demon Slayer Sword Building Block Model, Samurai Sword Set with Scabbard and Stand, Best Gift for Anime Fans (Agatsuma Zenitsu Sword)
$29.99$39.99Save $10.0
Deal runs: 6/9/2025 - 6/16/2025
35% off
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BEST DEAL
Engino- STEM Toys, Buildings & Bridges, Construction Toys for Kids 9+, Educational Toys, Gifts for Boys & Girls (9 Model Options), STEM Kit for Learning
$30.99$47.95Save $16.96
Deal runs: 6/9/2025 - 6/16/2025
10% off
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BEST DEAL
aotipol Building Blocks for Kids Toddlers Including a Baseplate, 101-piece Large Classic Building Bricks Set for Kids of All Ages, Basic STEM Toys Gift, Compatible with All Major Brands
$24.77$27.52Save $2.75
Deal runs: 6/9/2025 - 6/16/2025
13% off
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BEST DEAL
HUIZDQ 1500 Pieces Building Bricks, Classic Bulk Small Blocks, Classic Bricks Set Basic Building Blocks Compatible with All Major Brands
$23.38$26.99Save $3.61
Deal runs: 6/9/2025 - 6/16/2025
24% off
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BEST DEAL
PicassoTiles 120pcs Hedgehog Interlocking Building Blocks Tiles Construction Toy Set Learning Playset STEAM Development Preschool Kindergarten Toy for Kids Age3+ PTB120
$19.0$25.0Save $6.0
Deal runs: 6/9/2025 - 6/16/2025
21% off
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BEST DEAL
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 Stem Activities for Boys 4-6 8-10 Construction Creative Games Holiday Idea Gift
$21.99$27.99Save $6.0
Deal runs: 6/9/2025 - 6/16/2025
10% off
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BEST DEAL
Purple Roses Bouquet Building Set, Artificial Flowers Botanical Collection Blocks Kit Compatible with Lego for Adults Women Teengirls - Gift for Mother‘s Day & Valentines - Gothic Home Decor - IA11004
$35.99$39.99Save $4.0
Deal runs: 6/9/2025 - 6/16/2025
20% off
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BEST DEAL
LEGO Marvel Captain America’s Shield 76262 Model Kit for Adults, Collectible Replica of Captain America’s Iconic Shield, This Disney Marvel Building Set for Adults Makes a Great Graduation Gift
$159.99$199.99Save $40.0
Deal runs: 6/2/2025 - 6/16/2025
50% off
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BEST DEAL
Ueuo Reindeer ski Shop Theme Building Block,Collectible Display Model Toy as A Wonderful Gift Idea for Adults,Set Creative Building Block Set for Boys and Girls Creative Gifts for Kids Age 6+（339PCS）
$6.49$12.99Save $6.5
Deal runs: 6/14/2025 - 6/28/2025
50% off
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BEST DEAL
Classic Building Bricks Plate 2x4, 100 Piece, Compatible with Lego Parts and Pieces 3020, Creative Play Set - 100% Compatible with All Major Brick Brands(Colour:Brown Jujube)
$5.99$11.99Save $6.0
Deal runs: 6/14/2025 - 6/28/2025
50% off
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BEST DEAL
Classic Building Bricks Tile 2x4 with Groove 100 Piece, Compatible with Lego Parts and Pieces 87079, Creative Play Set - 100% Compatible with All Major Brick Brands(Colour:Verdant)
$4.99$9.99Save $5.0
Deal runs: 6/14/2025 - 6/28/2025
50% off
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BEST DEAL
WEBRICK Classic Bulk Brick Block 2x4, 300 Piece Building Brick Yellow, Compatible with Lego Parts and Pieces 3001, Creative Play Set - Compatible with Major Brands(Colour:Yellow)
$11.49$22.99Save $11.5
Deal runs: 6/14/2025 - 6/28/2025
50% off
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BEST DEAL
Classic Building Bricks 100 Pieces 2x4 Apricot Yellow, Classic Brick Block Parts and Pieces 3001, Compatible with Lego, Age 6+ Creative Building Block Toys for Kids (Apricot Yellow)
$6.49$12.99Save $6.5
Deal runs: 6/14/2025 - 6/28/2025
30% off
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BEST DEAL
STEM Building Projects Toys - Model Car Kit DIY Building STEM Projects Toys for Kids Boys Girls Ages 8-12-16, Assembly Science Kit Model Car Birthday Gift Toys for Kids Boys 8 9 10 11 12 Years Old
$20.99$29.99Save $9.0
Deal runs: 6/9/2025 - 6/16/2025
16% off
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BEST DEAL
MEGA BLOKS First Builders Toddler Building Blocks Toy Set, Catie Convertible with 6 Pieces and Storage, 1 Figure, Pink, Ages 1+ Years
$12.6$14.93Save $2.33
Deal runs: 6/2/2025 - 6/16/2025
Deals are time-limited. Prices and availability are accurate as of the date/time indicated and are subject to change.