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.
Learn about detective science through this fun fingerprinting kit!
A cool kit that helps you build your very own robotic arm!
This advanced physics kit is perfect for older children already versed in physics knowledge!
Get this great introductory chemistry kit for your favorite young scientist!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
This is a great clean heat demonstration model for the classroom setting!