STEM | rock & gemstone collection

•bring the wonderful world of geology to your home with this rock & gemstone collection. learn all about precious stones! this collection of 12 rocks & more is a true gem. •light up your cool new rocks on the rainbow LED stand! •read about your collection in the included fact book. a great STEM gift for little scientists! •includes 12 rocks, 1 fact book, 1 rainbow light •requires 2 x LR1130 (1.5V) batteries (included) •NEW IN BOX