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.
Build a model green house and 9 other green energy-related devices with this great kit!
Build a magnetic levitating train with this science fair project kit!
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
View the glory of space with this hi-tech telescope set!
Working model representing the sun, earth, and moon and their relationships.
This smaller transportable Van de Graaff Generator will easily fit in any classroom!