MDB “DDB Toothbrush” which was consult PopIt Toy to produce , it is toothbrush also is a toy . When rinsing your mouth, press the silicone button to play fun, increase your interest in brushing your teeth, and pass the tedious time. Press repeatedly to exercise your baby's finger dexterity and cultivate baby's tactile perception. The crisp "dada" sound can soothe the baby's emotions and train the baby's concentration and auditory perception.