2 years & up. The Let's Roll - Seasons Dough Rollers are easy for children to use when creating patterns and prints in dough, sand, dirt, paint and more! This set includes a total of 24 seasonally themed rollers; Spring, Summer, Autumn/Fall, and Winter. Each roller measures almost 3" long, sized perfectly for small hands. Rollers are made of a durable stone mix that is easy to clean. Roll to create a pattern and then stamp a corresponding season theme throughout to create a tactile work of art. Includes 24 rollers.