The Writing CLAW is designed for proper grip development. With The Writing CLAW pencil gripper, children do not need to think about the mechanics of the correct grip. These writing aids are recommended by occupational therapists, teachers and principals. The ergonomic hand gripper fits on pencils, primary pencils, pens, crayons, markers, paint brushes, etc., so its benefits can be widely enjoyed. A comfortable hand has more control and shows improved handwriting. The small grips are for pre-K children, the medium grips are for kindergarten-5th grade and most adult females, and large grips fit 5th grade + children. Details: Includes assorted colors 3 sizes (small, medium and large, 2 of each size per pack) 3 packs (6 grips per pack, 18 grips total) Fits on pencils, primary pencils, pens, crayons, markers, paint brushes, etc. For ages 3 and up