Your child will have endless fun with this kit that will teach them how to grow large and small sparkling crystals and conduct 15 different experiments. They can mold plaster shapes and grow layers of beautiful crystals on them. They'll use the dyes to form colorful crystals on their own, or mix the dyes for new colors. Once the crystals have been created, they can store them in the included treasure chest. Ages 10 and up Includes 2 1.7 oz. potassium-aluminum sulfate packets, 3 0.7 oz. potassium-aluminum sulfate packets, plaster, red dye paper, blue dye paper, green dye paper, tweezers, pipette, 3 wooden spatulas, large measuring cup, red measuring cup, blue measuring cup, yellow measuring cup, 3 small lids for measuring cups, geode mold, crystal-growing basin, mold for plaster figures and treasure chest Made in Germany