• Brand: National Geographic
• Age: 8 years and up
• Grow Two Crystal Trees in Just 6 Hours
• Choose among 5 watercolor pens, color the branches and watch the crystals grow in that color
• Includes a genuine geode specimen and learning guide that teaches the science behind this experiment
| Material | Non-toxic, high-quality plastic |
| Age Limit | 3+ Years |
| Certification | EN71 Certified Safety Standards |