Pilot Bath Time Mini Underwater Hokkaido Shinkansen Hayabusa Doctor Yellow Set Educational Toy Gift Railway Train Cars Go! Tunnel! & (Ages 3+)

Recommended age: 3 years and up The miniature cars come in two types: Shinkansen (bullet train). The color of the bullet train changes depending on whether you use bathwater or ice water. The color is maintained at room temperature. It can be used for play in the bath or in the room.