SET 3: Minerals (Kit 7) —Geodes (Kit 8) — Fossils (Kit 9) EARTH SCIENCE EXPERIMENTS BROUGHT TO YOUR HOME! Grow a salt rock garden, rock candy, and string crystals. Break open a large geode. Identify five unknown minerals using the streak, hardness, magnetic, and acid tests. Study a fossil. Complete this set by making a cast and a mold fossil that will impress any budding scientist.Special Shipping Information: This item ships separately from other items in your order. This item cannot ship to a P.O. Box. This item may be subject to additional processing days.