Excellent Condition Description: The path-building pieces in our center stick to any magnetic surface…so it’s easy for kids to build, test and reconfigure a variety of pathways—sharpening STEM problem-solving skills as they create! Center includes 150 foam balls, a ball cup, plus 11 translucent plastic pipes with funnels that give kids a clear view of the action. Largest piece measures 5 3/4". Stand-Up Magnetic Design Center sold separately. Recommended Age 3 yrs. - 6 yrs. / Preschool - 1st gr.