Solar charge controllers are essential for ensuring the smooth functioning of a solar panel and its battery. This 10A model is suitable for 6V/12V DC. Also features over-charge, over-discharge, overload, and short-circuit protection.
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
Check out this high-quality gyroscope!
Spin science into art with this awesome toy!
Explore the wonders of wind power with this amazing kit!
Build a hand that realistically moves its fingers using shape memory allow technology!