Solar charge controllers are essential for ensuring the smooth functioning of a solar panel and its battery. This 3A model will keep your battery charged at a constant of 11.1V. Also features over-charge, over-discharge, overload, and short-circuit protection. Designed for lithium batteries.
Build your own windmill generator kit by recycling a plastic bottle!
This science kit is an essential introduction to physics knowledge!
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
A massive mounted set of 100 rocks and minerals found in the US,
Do micro-controller projects and program them using your own computer!
Build a robot that's an artist too!