• Create energy and make a lemon powered clock. • Learn about electricity and chemical reactions. • An intriguing demonstration kit for classroom lessons or science projects. • Includes copper and zinc plates, wire, tape, digital clock. • Lemon required, not included. Discover the science of batteries by powering a clock with just a lemon. Electricity and chemical reactions become more understandable. Kids put the zinc and copper electrodes into the lemon. The lemon, zinc and copper combine in a chemical reaction and create voltage to run the clock. An intriguing demonstration kit for classroom lessons or science projects. This kit contains copper and zinc plates, wire, tape, digital clock, and full instructions. Additional details: Packaging size: 195mm x 130mm x 20mm Recommended age: 5+ Batteries included: No Batteries required: a lemon