Learn How Batteries Work – Build a battery with coins and learn how electricity and circuitry work in our detailed learning guide
Easy to Follow Instructions – Our step-by-step instructions simply explain how to create your battery and recharge your coins
Everything You Need – This battery science kit is complete with everything you need, including a flashlight, coin compartment, steel coins, cardboard coins, copper coins, battery terminals, and a learning guide with instructions. Electrolyte solution of vinegar and salt not included.

Great Gift – More than just a kids toy, this STEM kit teaches valuable scientific principles to boys and girls with an interest in physics.
Respected Quality – Providing children with the best educational toys, this kit comes with National Geographic’s 100% satisfaction guarantee.