National Geographic Battery Making Science Kit with 2 STEM Projects | Potato Clock, Penny-Powered Flashlight, Electricity Experiments, Circuit Learning, Hands-On STEM Toy, Birthday Gift

POTATO BATTERY KIT - This STEM science kit teaches kids about electricity with the components they need to build a DIY potato clock with voltmeter. Easy-to-follow instructions let kids get started right away, all they need is two potatoes!