This 4-cell AA battery holder is excellent for use in any hobby or science project. Comes with wire leads for easy hook-up. Recommended for electronics applications, for use in science fair projects and more!
View the glory of space with this hi-tech telescope set!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Build your very own smart robot!
Every kid needs one of these spheres!
Exciting magnet exploration for ages 8 and up!
This mirascope creates a 3D hologram image!