Yuji Naka on Twitter:
![](https://2.bp.blogspot.com/-nto7fpvOpoQ/WJa33TGsrjI/AAAAAAAAOac/GAu87b8dScYy7rgdEdPKY9yp1kfe4IhNACPcB/s710/yuji-naka-sonic-tails-knuckles-amy-shadow-bath-bombs.jpg)
I had bought Sonic the Hedgehog Bath Bombs at Don Quijote, tried to put one into the bathtub and took a bath with my children. The bath’s color became deep blue, and my children were delighted as it looked like Sonic. This time it is Knuckles, but I am not sure if all 5 kinds would appear. It is quite cute and has good feeling.