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.)
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Build a model green house and 9 other green energy-related devices with this great kit!
Learn Chemistry While Creating Sweet Treats
Get swept away by this fantastic robot kit that uses vibrations to move!
Comprehensive collection of 30 fossils.
A beautiful desk toy for your favorite person’s office!!