Crayon rocks are designed to teach and correct a child's pencil grip. A child's fingers are placed in the tri-pod grip position, strengthening hand muscles as they write. The grip is also appropriate for maturing adults.
- Made in USA
- Made with Soy and Vegan
- 100% Natural Non-Toxic Ingredients - Phthalate Free
- Designed by a teacher
- Meets ASTM, CPSIA, and CE standards
- acked in a compostable box 32 different colors
- Size: 1 ¼ x 3/4 inch
- Ages 3+
