Unique crayons promote proper grip and fine motor skills by flipping the crayon. 2 colors and 2 points per crayon—10 colors in all. Tub contains (2.4") crayons—perfect for classroom sharing! Flip crayons are non-toxic short crayons designed to promote good grip. Give children of all ages little crayons and blank sheets of paper to work on coloring. Three-year-olds will scribble, but they will eventually learn to make discrete lines which will lead to circles, shapes and letters as they enter Pre-K.