Toysmith Mineral Science Kit The Mineral Science Kit teaches how to test, classify and identify different kinds of minerals. The kit includes fifteen (15) mineral specimens, plus a magnifying viewer and a handy identification guide. Perfect for young science enthusiasts, especially those with an interest in geology. A plastic storage tray keeps the mineral collection together when not in use. Recommended for ages 8 years and up. Challenge your children's imaginations and keep them active with Toysmith. Committed to providing the most imaginative toys along with the highest safety standards, Toysmith has toys appropriate for all age groups. Toysmith offers toys for any kind of play: active play, science and discovery, arts and crafts, impulse and novelty toys, and nostalgic retro classics.