Dancing Bear 9 Break Your Own Geodes, 90% Hollow Medium ( 2-2.5&rdquo;) Easy Crack Open & Discover Surprise Crystals Inside! Educational Info and Instructions Included, Fun Party Favors & Prizes, Brand FUN GEODE SCIENCE KIT-includes 9 break-your-own Moroccan geodes, educational information, and instructions sheet. 9 MEDIUM, EASY TO OPEN, MOROCCAN GEODES-sizes range from 2-2.5 inches. Crack them open and find crystals inside! 90% are hollow with crystals and and a few may be solid with quartz or calcite inside. MONEY BACK GUARANTEE-if you are not completely satisfied, Dancing Bear will gladly refund your money plus all shipping costs. ASSEMBLED IN THE USA-Buying this kit from Dancing Bear provides skill building and wages to working adults with intellectual and developmental disabilities at Pearl Buck Center in Eugene, Oregon. We also donate 10% of our profits to charities worldwide.