Break open these rocks to reveal amazing crystals inside! Geology doesn’t get more exciting than breaking open rocks and finding crystal treasures. A great STEM activity that also makes an excellent gift for girls and boys! Place a geode in a bag or sock and hit it firmly with a hammer to break open (not included).
- Size: Approx. 3" to 4" D
- Geode size and contents may vary
- Adult supervision required
- Please note that because these are natural rocks, results will vary and they may not all contain crystals
