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 a tumbling robot that gets up right after it has fallen down, without any outside help!
Dig deeper, and discover the fascinating crystal structures of minerals and rocks with this great kit!
Experience this sphere powered by the sun!
Learn all about Newton’s Laws and Energy conservation.
This advanced physics kit is perfect for older children already versed in physics knowledge!
Build your own windmill generator kit by recycling a plastic bottle!