Wonderology &ndash; Science Kit &ndash; Hidden Treasure Mining Wonderology is the kid friendly science line that makes learning a blast! Explore the mysteries of science like never before! The Hidden Treasure Mining Kit lets you unearth treasure as you chip and dig to collect beautiful gems! Use the excavation hammer and chisel to carefully chip and reveal gems! The Wonderology Hidden Treasure Mining Kit is made for Young Scientists ages 8+. Includes: 8 Colored Gems, 1 Plaster Block, 1 Excavation Hammer, 1 Chisel, 1 Instruction Guide