The 40 piece set includes 1" shapes in four colors: red, blue, yellow and green. Shapes include cube, cylinder, cone, sphere, hemisphere, pyramid, square prism, hexagonal prism, triangular prism, and rectangular prism. Packaged in a plastic bag. This set of smaller pieces is perfect for students to explore the properties of 3D geometric shapes. Ideal for exploring volume, surface area and nets. Made of durable plastic and easy to clean.