There are 5 slots on the rod to adjust its height from 29.5 to 41.3 inches, which is perfect for growing kids 2 3 4 5 years old. Adjustable Basketball Hoop for Kids: Our mini basketball hoop indoor is great for kids ages 18 months and up. Raise the height of toddler basketball hoop to increase difficulty as your kids grow, exercising kids' shooting and dunking skills.