This 1-cell AA battery holder with wires is excellent for use in any hobby or science project. The unit includes wire leads for easy hook-up, and it has an on-off switch function, making it perfect for use in hobby projects. Recommended for electronics applications, for use in science fair projects and more!
A perpetual motion model of the galaxy, makes a good desk toy.
Command robotic creations with this cool construction kit!
Easily assemble a working alarm motion detector!
Create beautiful art with this amazing sun paper!
This classic desk toy will keep you amused! Large, 7 inch tall version.
A cool kit that helps you build your very own robotic arm!