Geode Cracking
| Min number of participants | 1 |
| Age | 8+ yrs. |
| Min duration | 20 min. |
| Cost | Low |
| Environment | Indoor / Outdoor |
Splitting open rough geode rocks with a hammer or cracker to reveal the crystal formations hidden inside — a quick, suspenseful science-meets-craft activity that turns a weekend into a treasure hunt for parents and kids.