The vibration, texture, and weight of the handle can help increase focus and concentration, improve rote muscle memory, normalize writing speed, increase hand strength and dexterity, and decrease the grip force used to hold the crayon.

Kit includes: 1 Z-Vibe® handle, 1  pencil Adapter, 6 pencils, and 1 pencil sharpener. The pencil adapter screws into the Z-Vibe® like every other tip, and the pencils fit nicely into the adapter. 

•  Medical grade, FDA compliant materials that contain NO lead, phthalates, PVC, BPA, or latex.
• Battery included ( )
• Measures just over 8" in length (with a new pencil) and .5" in diameter.