The new Nuby Spin N' Teethe teether features a soft textured design providing comfort to baby's delicate gums. It also provides stimulus to the lips and tongue and assists in the eruption of teeth by gently massaging infant's gums. Textured rings and moving parts help infants develop fine motor skills. This colorful teether is easy for baby to hold and sized for maximum effectiveness as a teether and soother. Like all Nuby products, the Spin N' Teethe is made of the highest quality BPA free materials.