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.
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
This kit focuses on teaching children about electricity and how electronic devices work!
Exciting magnet exploration for ages 8 and up!
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.
Build over 100 exciting electronic projects with this easy to use kit!
The large realistic model has removable organs that can be studied and set back into the correct position.