Your junior scientist will love The Young Scientists SeriesSet 3. This set is a collection of 3 kits: Kit 7Minerals; Kit 8Crystals, and Kit 9Fossils. These kits make the earth sciences fun. Your child can grow a salt rock garden, rock candy, and string crystals; break open a large geode and identify 5 unknown minerals using the streak, hardness, magnetic, and acid tests. The journey continues with the study of a real plant fossil. Complete this set by making a cast and a mold fossil.