This cup is made of O-ball material that allows you to play in the bath.
Introducing the Basttoy from the world-famous Oball series.
Made of the same material as the O-Ball so it is easy to grip even with babys little hands.
● Enjoy playing with a series of motion such as scooping hot water in the bath, hanging it inside the cup, and spilling it out.
● Colorful 3 size cups in 1 set can be used to practice stacking and promote babys motor skills development.
Easy to clean! The holes in the orball make it breathable and watertight, preventing mold and bacteria from forming in the bathroom.

(Set Contents) Set includes 3 cups of large, medium, and small.

(From Amazon.co.jp)

From the Manufacturer

Oball Bath Toy Series

The Oball H2O series is a bath toy for little hands while still maintaining the geometrical structure of the orball feature holes.

3 cups with different sizes. 3 cups with different sizes.	Play with water Stimulates childrens fingertips by scooping, spilling, or stacking the cup itself.	Water drain and dries quickly, so it is hygienic Pre-drilled holes allow for quick drying to prevent mold and mildew.Kids can use it.