Inside of each drawstring pouch is a rock. Crack the rock open with a hammer and the interior will reveal a geode crystal interior! This is a super fun and interactive gift - great for children and adults alike! INSTRUCTIONS - Safety first. Please be aware of your surroundings and select a non precious surface to break open your geode - Use a heavy duty standard hammer - One strong hit is better than soft knocks - Enjoy the surprise - every geode is unique! MATERIALS 100% Cotton drawstring pouch hand stamped with the words: CRACK ME OPEN BABY SPARKLES AWAIT YOU Included in each bag is a geode rock.