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 model car that runs on hydrogen gas using a unique reversible fuel cell!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Head into the lab for an in-depth investigation of genetics and DNA!
This is a great clean heat demonstration model for the classroom setting!
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
Experience this sphere powered by the sun!