STEM assembly toy

Cards view:

Filters and sort

Gothic Skull Pen Holder Building Set – Dark Desk Art That Holds Your Pens Gothic Skull Pen Holder Building Set – Dark Desk Art That Holds Your Pens
Gothic Skull Pen Holder Building Set – Dark Desk Art That Holds Your Pens
$39.90
$39.90
Build a Mini Ocean World: 12 Sea & Polar Animals in One Micro Brick Set Build a Mini Ocean World: 12 Sea & Polar Animals in One Micro Brick Set
Build a Mini Ocean World: 12 Sea & Polar Animals in One Micro Brick Set
$39.99
$39.99
Build Your Own Safari: 12 Mini Animal Brick Models for Desk & Shelf Build Your Own Safari: 12 Mini Animal Brick Models for Desk & Shelf
Build Your Own Safari: 12 Mini Animal Brick Models for Desk & Shelf
$39.99
$39.99
Build a Dreamy Trio: 3-in-1 Unicorn, Bunny & Puppy Micro Brick Set Build a Dreamy Trio: 3-in-1 Unicorn, Bunny & Puppy Micro Brick Set
Build a Dreamy Trio: 3-in-1 Unicorn, Bunny & Puppy Micro Brick Set
$35.90
$35.90
BR60514 1:8 military-green retro cruiser kit, 590 pcs: moving-piston engine, working suspension & gold drive chain. Static adult collectible. 1:8 Military-Green Retro Cruiser Motorcycle Building Kit
1:8 Military-Green Retro Cruiser Motorcycle Building Kit
$129.00
$129.00
Where Gothic Art Blooms: Skull & Rose 3D Brick Wall Art | Mechanical Building Kits | BrickRoyal Where Gothic Art Blooms: Skull & Rose 3D Brick Wall Art | Mechanical Building Kits | BrickRoyal
Where Gothic Art Blooms: Skull & Rose 3D Brick Wall Art Building Set
$35.99
$35.99
Built for the Wild: Expedition Camper Truck Building Set | Mechanical Building Kits | BrickRoyal Built for the Wild: Expedition Camper Truck Building Set | Mechanical Building Kits | BrickRoyal
Built for the Wild: Expedition Camper Truck Building Set
From $769.00
From $769.00
A 3,908-piece Dark Slayer combat mecha in matte black & gold, fully armed with a glowing beam rifle, cannons and gatling, ball-joint articulation . Dark Slayer Mecha Building Set
Dark Slayer Mecha Building Set
$399.00
$399.00
A big 4,189-piece 1:8 matte-black widebody wagon with quad exhausts, roof box and simulated engine. Static display, RC-upgradeable doors, tailgate & lights. 1:8 Widebody Modified Wagon Building Set — Matte Black
1:8 Widebody Modified Wagon Building Set — Matte Black
From $379.00
From $379.00
1:8 Electroplated Limited Edition Supercar Building Blocks BR10629 | Mechanical Building Kits | BrickRoyal 1:8 Electroplated Limited Edition Supercar Building Blocks BR10629 | Mechanical Building Kits | BrickRoyal
1:8 Electroplated Limited Edition Supercar Building Blocks
From $379.00
From $379.00
1:250 Scale 003 Fujian Aircraft Carrier Building Block Set | Mechanical Building Kits | BrickRoyal 1:250 Scale 003 Fujian Aircraft Carrier Building Block Set | Mechanical Building Kits | BrickRoyal
1:250 Scale 003 Fujian Aircraft Carrier Building Block Set
$629.00
$629.00
Interstellar Assault Gunship Building Kit | Mechanical Building Kits | BrickRoyal Interstellar Assault Gunship Building Kit | Mechanical Building Kits | BrickRoyal
Interstellar Assault Gunship Building Kit
$59.00
$59.00
💳

Flexible Payments

Pay with PayPal, Visa, Mastercard & more.

🔒 Secure Checkout
🔄

30-Day Returns

Risk-free returns if you're not satisfied.

✅ Hassle-free
🇺🇸

Free U.S. Shipping

Free shipping within the United States only.

🇺🇸 U.S. Only
🎧

24/7 Customer Support

Real human support anytime you need help.

💬 Live Support

⚙️ ENGINEERED FOR COLLECTORS

✦ PREMIUM MECHANICAL BUILDING MODELS

✦ BUILT FROM IMAGINATION

✦ DESIGNED FOR DISPLAY