Hot Dealsin Building Sets
Limited time offersCA
15% off
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BEST DEAL
Magnetic Tiles Travel Toys with Storage Case, Portable STEM Building Blocks for 3-8 Year Olds, Toddler Airplane Activities & On-The-Go Birthday Gift for Boys & Girls
$16.74$19.59Save $2.85
Deal runs: 12/11/2025 - 12/25/2025
12% off
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BEST DEAL
49PCS Magnetic Tiles Travel Toys for Kids Ages 4-8, Magnetic Building Blocks Adventure Set with Portable Iron Storage Box & Play Base, STEM Learning Activities for Toddlers 3-5
$27.35$31.04Save $3.69
Deal runs: 12/11/2025 - 12/25/2025
10% off
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BEST DEAL
STEM Assembled Model Plane Kit Building Toy, 201 Pieces STEM Projects Airplane Building Kits for Kids Age 8 and Up, STEM Educational Model Kit Gifts for Teenage Boys & Girls 8,9,10,10+
$22.49$24.99Save $2.5
Deal runs: 9/22/2025 - 10/6/2025
16% off
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BEST DEAL
PicassoTiles 30 Piece Mini Size Magnetic Tiles Sensory Magnet Toys Diamond Series Construction Building Blocks Set STEM Learning Travel Size Educational Toy for Kids Boys Girls Toddlers Age 3+ PTM30
$20.99$24.99Save $4.0
Deal runs: 9/29/2025 - 10/6/2025
18% off
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BEST DEAL
Classic Baseplates for Lego, 10" x 10" Building Brick Base Plates 32x32 Stud, 100% Compatible with All Major Brands Baseplates for Building - Light Blue 4pcs
$17.99$21.99Save $4.0
Deal runs: 9/29/2025 - 10/6/2025
10% off
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BEST DEAL
Pack of 6 Street Base Plates, City Street Building Base Plate Toy Compatible with All Major Brands, for Age 3 and Up, 10 x 10 Inches (Grey)
$18.62$20.69Save $2.07
Deal runs: 9/29/2025 - 10/7/2025
10% off
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BEST DEAL
BAKA Sports Cars Building Kit for Kids, Teens, and Adults - STEM Educational Construction Toys Car 1:14 Technic Car, Toys for 8 9 10 11 12+ Year Old Boys, Gift for Birthday, Christmas, 1064 PCS
$44.8$49.81Save $5.01
Deal runs: 6/30/2025 - 7/14/2025
25% off
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BEST DEAL
MANGOBOB 108 PCS Magnetic Blocks Build Magnetic Toys STEM Montessori Sensory Toys Construction Toys for Boys & Girls Age 3+,
$26.99$35.99Save $9.0
Deal runs: 6/30/2025 - 7/7/2025
15% off
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BEST DEAL
PLUS PLUS - Big Neon Mix - 15 Pieces - Creative Building and Construction Set - Mix of Neon Colors in a Tube - Kids 1 to 6 Years - P3286
$11.3$13.3Save $2.0
Deal runs: 6/30/2025 - 7/14/2025
10% off
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BEST DEAL
APLX Magnetic Blocks Cubes for Toddlers Boys and Girls Aged 3+, 28 Pieces Magnet Set STEM Building Toys, Creative Christmas Birthday Gifts for Kids
$26.99$29.99Save $3.0
Deal runs: 6/30/2025 - 7/7/2025
16% off
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BEST DEAL
Reobrix 804 Mazda RX-7 Toy Car Building Blocks, 1:24 Scale Model Car Kit for Display and Collectible, Fast & Furious Race Car Building Toy for Boys and Adults, 367 Pieces
$22.3$26.47Save $4.17
Deal runs: 6/30/2025 - 7/14/2025
20% off
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BEST DEAL
JMBricklayer Nuclear Submarine Building Sets - Military Submarine Toys with Lights, WW2 History Collectible Home Decor Battleship Construction Set, Birthdays for Boys Men Adults
$75.96$94.95Save $18.99
Deal runs: 6/30/2025 - 7/7/2025
14% off
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BEST DEAL
Annexfun Magnetic Blocks - 100PCS Magnetic Building Blocks Kids Toys for Girls Boys Age 3 5 7 8 - STEM Sensory Kids Games Toddler Toys - Magnetic Cubes Toy Birthday Gifts for 3+ Years Old Girls Boys
$31.98$36.99Save $5.01
Deal runs: 6/30/2025 - 7/7/2025
20% off
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BEST DEAL
JMBricklayer Flowers Sunflower Building Sets for Adults with Lights 70004, Van Gogh Wall Art Crafts, Plants Painting Frame for Room Home Office Decor, Flower Birthday Gifts Ideas for Women Girls Teens
$87.95$109.94Save $21.99
Deal runs: 6/30/2025 - 7/7/2025
31% off
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BEST DEAL
110PCS Magnetic Blocks - Build Mine Magnet World Magic Sword Portal Set, Magnet Kids Toys for Boys & Girls Age 3-5 4-8 5-7, STEM Magnetic Tiles Building Games Sensory Outdoor Toddler Toys
$44.99$64.99Save $20.0
Deal runs: 6/30/2025 - 7/7/2025
20% off
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BEST DEAL
ROBOTIME Miniature House Kit DIY Plastic House Building Block Toy Set with LED Tiny Store Making Kit Model Craft Hobby Birthday (Fascinating Book Store)
$47.99$59.99Save $12.0
Deal runs: 6/30/2025 - 7/7/2025
10% off
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BEST DEAL
Magnetic Blocks - 100 PCS Building Toys Blue Castle -Magnetic Building Blocks Toys for Kids Toddles, Montessori Toy Birthday Gifts - STEM Sensory Toys for 3 4 5 6 7 8 9 10 Year Old Boys Girls
$26.99$29.99Save $3.0
Deal runs: 6/30/2025 - 7/7/2025
11% off
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BEST DEAL
Sitodier Space Exploration Shuttle Toys for 8-14 Years Old Boys Kids, 7 Models Can be Build at The Same Time,1008pcs Space Rocket Launcher Building Set Best Birthday
$35.59$39.99Save $4.4
Deal runs: 6/30/2025 - 7/7/2025
23% off
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BEST DEAL
YEECHAO 3D Wall Art Parrot Bird Animal Micro Mini Building Blocks Set for Adults, Unique Home Wall Decor or Table Display, Creative Birthday Gift Toy for Kids Teens (1700 PCS)
$26.99$34.99Save $8.0
Deal runs: 6/30/2025 - 7/7/2025
29% off
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BEST DEAL
205Pcs Magnetic Blocks Dinosaur Building Set, 1 Inch Magnetic Building Blocks Magnet Dinosaur Building Toy Set Magnet Constructions Stacking Sensory STEM Toys for Toddler Boys Girls Christmas Birthday
$49.99$69.99Save $20.0
Deal runs: 6/30/2025 - 7/7/2025
50% off
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BEST DEAL
PLUS PLUS - Tube Pirate - 70 Pieces - Creative Building and Construction Set - Mix of Pirate Colors in a Tube - Kids 5 to 12 Years - P5106
$7.5$14.99Save $7.49
Deal runs: 6/30/2025 - 7/14/2025
10% off
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BEST DEAL
HUIZDQ 6 Packs Classic Baseplates, 25.5 x 25.5 cm, Building Block Baseplates, Compatible with All Major Brands, Base Plate for Construction(Sand)
$21.59$23.99Save $2.4
Deal runs: 6/30/2025 - 7/7/2025
24% off
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BEST DEAL
PicassoTiles PicassoToys Toy Carry Case Magnetic Tiles Construction Blocks Travel Bag EVA Storage Organizer Box Action Figure Character Accessory STEM STEAM Toys Portable Water Resistant Oxford Cloth
$19.88$26.0Save $6.12
Deal runs: 6/30/2025 - 7/7/2025
15% off
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LIGHTNING DEAL
PicassoTiles 60pc Princess Castle Theme Magnet Tile Building Blocks 2 Action Figures Magnetic Construction Toy Double Sided Printing Education STEM Learning Playset Fantasy Adventure Kids Age 3+ PTQ04
$67.99$79.99Save $12.0
Deal runs: 7/3/2025 - 7/3/2025
17% off
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LIGHTNING DEAL
Magnetic Blocks 1" Building Toys for Kids Ages 4-6 5-7 8-12, Simulating Mine Magworld Bamboo House Building Craft Construction Toy Set, Creative Sensory Toys Game Gift for 3+ Year Old Boys Girls
$49.99$59.99Save $10.0
Deal runs: 7/3/2025 - 7/3/2025
10% off
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BEST DEAL
WMXDU Mini Magnetic Tiles, 40PCS Magnetic Building Blocks with Travel Case STEM Learning Building Blocks, Magnet Tile Construction Stacking Block Boys Girls for Kids Ages 3+ (Standard Edition)
$26.97$29.97Save $3.0
Deal runs: 6/30/2025 - 7/7/2025
10% off
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BEST DEAL
WSHIMIN Magnetic Blocks, Magnetic Building Blocks for Kids, World Build Set, STEM Toys Road Construction Toy Magnetic Cubes with Car for Kids, Christmas Birthday Gifts for Boys Girls 3+
$18.89$20.99Save $2.1
Deal runs: 6/30/2025 - 7/7/2025
33% off
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BEST DEAL
CENOVE Toddler Toys for 3-6 Years Old Boys Girls,Upgrade DIY Building Blocks Stacking,STEM Educational Kids Toys Brain Development Preschool Kindergarten Arts and Crafts Toy(130 PCS)
$25.49$37.99Save $12.5
Deal runs: 6/30/2025 - 7/7/2025
20% off
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BEST DEAL
Annexfun Magnetic Blocks - 100PCS Building Blocks Princess Pink Castle, STEM Stacking Magnetic Cubes Building Toys Construction Toys for Kids Boys, Birthday Gifts for 3 4 5 6 7 8 9 10 Year Old Girls
$31.98$39.98Save $8.0
Deal runs: 6/30/2025 - 7/7/2025
10% off
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BEST DEAL
Magnetic Tiles, 100PCS Building Blocks, Magnets Building Set, STEM Toys Christmas Toy Gift for Kids Boys and Girls
$44.09$48.99Save $4.9
Deal runs: 6/30/2025 - 7/7/2025
Deals are time-limited. Prices and availability are accurate as of the date/time indicated and are subject to change.