scaleupView Full Screen scaledownExit
Magic Rocks Space Kit
Kids can create a bright rock display with this special science kit! Rocks can grow to different heights up to 4 inches. Each kit includes metallic salts, sodium silicate, 1 space background print, 1 sticker sheet, 1 tank and detailed instructions. Adult supervision required. Conforms to ASTM D-4236. Good for ages 10 and up.