This 3.7V lithium battery is perfect for solar science fair projects involving panels. Also great for building an off-grid solar power system for camping, RVs, or boats. Multiples can be hooked together in series to get higher voltage or in parallel to acheive higher capacity.
See the solar system in action!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
A massive mounted set of 100 rocks and minerals found in the US,
Exciting magnet exploration for ages 8 and up!
Build your very own smart robot!