Use to make geometric shapes or create models. Each stick color is a different length, making it possible to design various polygons of differing sizes. Includes 40 sticks each of red, blue, yellow, and green, 45 sticks each of purple and orange, and 80 balls in 6 colors. A total of 330 pieces. Grade PreK and up. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.