Birth & up. This Infant Dimpl Set will keep little ones entertained for hours. All items in the set are great for teething, sensory exploration and fine motor development. Each item in the set includes a dimpl to pop and a different texture to explore. The dimpl wobble also adds a fun cause and effect experience as it bobbles back and forth when pushed. Items are made with food-grade silicone and are BPA free. Clean by wiping with a damp cloth. Colors may vary.