Crystal Growing Lab Play Set with Light-Up Display Base – National Geographic

Includes four real gemstone specimens along with a full-color, detailed learning that teaches the science of crystal formation and more!Uses a micro USB to plug into the base itself (detachable cord), and a USB 2.0 on the power receiving end. So you can get power from any USB port or you can plug into any USB to 110V adaptorThe bare necessitiesAges 3+Crystals / plasticBase: 2 1/2'' W x 1 1/2'' D x 11'' LPackaging: 11 1/4'' x 9'' x 3 1/2''Imported

Crystal Growing Lab Play Set with Light-Up Display Base – National Geographic