Explore the science behind precious stones with Gemology! Make your own gems and crystals out of common household ingredients using this set’s durable tools, crack open reusable break-apart geodes, and study their scientific properties with the included magnifier! Includes gem molds, beaker, and experiment guide for making your own colorful gems! Magnifying glass measures 7″ L x 3.25″ W x 1″ H; chisel measures 3.75″ L x 1.75″ W x 1.75″ H.