Children love the soft, velvety texture and squishy feel of RubbabuTM toys. This soft choo choo can zoom around with his wheels that really roll. Rubbabu"s hand-made natural foam toys, in simple shapes and bright colors, are loved by kids and parents alike. Soft and safe for even the youngest children, they offer endless play value and learning.RubbabuTM toys are made from 100% pure (no foam fillers), natural rubber foam and are biodegradable and renewable. Natural rubber is the sap of the rubber tree, which can be collected from the same tree for 25 years. Natural rubber foam, besides being durable and flexible, is also anti-microbial, dust mite resistant, mildew resistant, hypo-allergenic and flame retardant. This item is not a teething toy.