Use these cutters for cookies, brownies, gelatin treats and crafts. Also, a great way to teach your child the ABC's and 123's while working in the kitchen! The average size is between 3 and 3 1/2" for both the ABC's and the numbers. The numbers also have smaller companion pieces which are about 2". Characters include the pound sign, dollar sign, plus sign, minus sign and an arrow. Cutters are made of plastic and come in an assortment of red, blue and yellow.