Unleash the power of electricity with the National Geographic Potato Battery Kit. This STEM science kit teaches kids about electrical engineering by allowing them to build a DIY potato clock with a voltmeter. With easy-to-follow instructions, children can dive into exciting experiments, including constructing a penny flashlight to witness the electric circuit in action. This kit offers a fun, hands-on way for curious kids to learn about electricity, circuits, and more. Spark their imagination and scientific curiosity with this astounding science kit.