Discover with Dr. Cool Ultimate Geode Kit &ndash; Crack Open 20 Amazing Rocks and Find Crystals! DISCOVER INCREDIBLE CRYSTALS! - Geodes are natural wonders. These hollow rocks have beautiful crystals and minerals inside VARIETY AND VALUE  Break open 3 different types of geodes (only 1 type in similar kits) and reveal dazzling crystal caves A SCIENCE CLASSIC! - Learn about geology with this fun and educational STEM science toy for kids 100% SATISFACTION GUARANTEE - Join the millions of parents who have chosen our award-winning science toys and experience the Discover with Dr. Cool difference! A COMPLETE KIDS SCIENCE KIT - 20 premium-quality geodes, magnifying glass, adventure guide, activity booklet, 3 display stands, and safety goggles