このカラフルなおもちゃは、転がすと音が鳴ります。視覚と聴覚を刺激します。
My 9-month-old figured out how to roll it back and forth across the kitchen floor within minutes, and that soft chime keeps her entertained way longer than I expected. The colors are bright enough that she tracks it with her eyes too, so it's doing double duty.
The gentle rattle it makes on the hardwood floor is soothing rather than annoying, which I appreciate after a long day. My niece keeps grabbing it to practice passing it between her hands.
My 18-month-old figured out how to roll it back and forth within a day, and now she won't put it down. The gentle sound is quiet enough that I don't mind hearing it twenty times in a row, which honestly surprised me.