Educators Resource offers products for preK-8 learning materials and educational toys used by schools, teachers, parents and children, Our set of 5 rubber stamps will help students to understand the concept of equivalence by seeing the fractions as parts of a circle, This set includes a half circle, a third, a fourth, a sixth and an eighth, All the pictures are marked with the fractions, Whole circle is a diameter of approximately four inches, SKU: EDRE35134