Creative play is lots of fun with these great tools, as children learn how to roll the various patterns using dough, clay, or paint to make fanciful designs. Each tool has an easy to use plastic handle that fits nicely into a child's palm. These patented tools are designed for young children to use as palm rollers. The 3 roller patterns in this set are rows of circles, rows of squares, and a waffle pattern. The 3 roller patterns in set 2 are rows of stars with the planet saturn, rows of hearts, and a flower pattern. if paint is used, these tools clean up easily with soap and warm water.