Everything included to create a solar system science activity. No more extra thinking- simply buy and paint! This 5x13x5 inch package contains 11 smoothfoam balls in assorted sizes, two 4.5 inch rings, one 3.5 inch ring, one 3 inch ring for the base, nine 12 inch long wood rods, one 2oz bottle of acrylic yellow paint, one 8 color acrylic paint pot, one wide brush and one thing bristle brush. Conforms to ASTM D 4236. Made in USA.