Kids will love the Chip Away Diamond kit from Schylling Toys. 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. Recommended for ages 5 years and older.