Grow Instant Stalagmites by Scientific Explorer shortens the process nature usually takes. It takes a cave millions of years to create stalagmites, but you can do it right away with the Grow Instant Stalagmites kit! Learn all about caves and underground science as you turn crystals into cave formations. Just mix up the special ingredients and pour. The stalagmite will form right before your eyes in less than 5 seconds!Ages 8 and up.By Scientific Explorer