This battery can be used with anything from personal computers, workstations and test equipment to telephones, copiers and remotes. Great for science projects (such as a toothbrush robot.)
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Experience this sphere powered by the sun!
Build a magnetic levitating train with this science fair project kit!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.