Use the hammer and chisel to mine for your hidden stone or genuine diamond. Each box contains one of 6 collector’s specimen (Red Onyx, Picture Jasper, Black Line Jasper, Tiger Eye, Volcano Rock, and Rose Crystal) or a real diamond! You have a 1 in 24 chance to uncover a diamond. Details• Channel your inner archeologist and chip away at the Rock and find the surprise inside, What will you discover? • Each has a special gem to uncover • Each comes with 3 specially designed tools to help you on your dig, a hammer, chisel and brush, The special “rock” material breaks away easily • 1 in 24 contains a real diamond, how lucky do you feel today? • Makes a great rainy day activity, impulse gift or party favor • For intrepid explorers 5 years and up SpecsWeight 0.4 lbsDimensions 2 × 4 × 2.5 inAges 5+ WARNING: CHOKING HAZARD—Small parts. Not for children under 3 yrs.