This hook-up wire on a spool is great for all kinds of applications. Use it for your next science fair project, home project, and more!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Get one of the craziest and coolest kaleidoscopes around!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
This kit allows to build up to 3 different robots!
Build over 60 projects with this deluxe version of the Snap Rover kit!
Easily assemble a working alarm motion detector!