National Geographic

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!

DISCOVER CRYSTAL TREASURE - Break open these rocks to reveal amazing crystals inside! Geology doesn’t get more exciting than breaking open rocks and finding crystal treasures. This great STEM activity makes an excellent gift for girls and boys!

EXPLORE CRYSTAL CAVES - Geodes are naturally forming volcanic rocks that contain amazing crystal formations inside. Crack them open and discover beautiful minerals!

EXPLORE CRYSTALS – Geodes are naturally-occurring volcanic rocks that contain slow growing crystals. Break open the rock to discover beautiful minerals inside.

BIG GEODES WITH CRYSTALS - This super-fun science kit includes 5 jumbo, uncracked geodes to break open at home! Each geode is as big as a tennis ball with incredible crystals inside!