The Rubbabu Micro Choo-Choo Train is a soft natural rubber toy which is eco friendly too! This toy is handmade using natural biodegradable foam rubber. The wheels roll nicely on any surface and the soft material is easy for little hands to grasp. This train is soft, tactile and durable and offers years of imaginative play value and learning opportunities. This toy supports development of gross motor skills and hand-eye coordination.