Discover toys: properly add some waters then use tools to chisel the clod and then you will discover each beautiful crystal! When you dig out all of crystals rinse off the remaining clay lets mineral hunters examine their treasures and study their different features. Through this product children can improve their brains and their ability to think independently. Adults can also accompany their children to DIY which can not only enhance the interaction between adults and children but also increase their interest. Manufacturered by . Includes clod chisel brush hammer instructions bag and magnifying glass . Recommended for ages 6 years and up. can be used for any birthday party or children's activities! Become a Geologist Use mining tools to dig crystal from the clod.