Be a geologist and explore the fun of crystals with the 4M Crystal Mining Kit. Dig away the plaster rock to discover beautiful crystals and start your own crystal collection. Each kit contains 3 crystals to discover. A fun and interactive science discovery kit! Includes special digging tool. Includes 3 crystals imbedded in plaster to discover Includes special digging tool Start your own crystal collection Fun and educational For ages 5 and up