Features:

1.Made of ABS raw materials, BPA free, anti-drop, play with peace of mind.

2.The diameter of the ball is about 3.5cm. Exquisite workmanship takes care of children's little hands.

3.The toy is not only creative, educational and fun, but also cultivates children's ability to develop patience and focus.

4.Different layers have different heights for you to choose from, and the layers correspond to the same number of balls.