DIY STEM Enviro Battery Kit
Be a scientist as you discover how to power this digital clock using potatoes and NO batteries. Experiment to find out what other substances will power the clock. If you like to build things with your hands, here is this Enviro Battery Kit you will love.
Our DIY STEM Kit uses natural materials like mud, lemons, and water to power a light bulb, a watch, and activate a music chip. Amazing, environmentally friendly Green Science Battery that includes detailed instructions, so you can create many unusual batteries with fruit juices, vegetables, coins, utensils, and more!