This twenty-seven (27) piece felt set includes different colored felt body circles. One (1) body circle is the caterpillars head and the other twenty-six (26) body circles have a foam letter on it. Use these for doing the alphabet with the letter sides OR use the body circles to teach children the colors. You can use these props over and over again on a flannel board, flannel board apron or on a flat surface. The props measure 2 1/2"�. Colors may vary.