1. This unique invention has got the national patent. The music box is a part which designed in the dustproof cover, and there are a few of different musical music for choice.

2. Wagging the bottle can cause the metal slice utter music and emit shining. It will make baby feel novel and accept musical illuminative education at same time, and also the shining can stimulate babys seeing, train feeling system, promote appetite and develop intellectuality.

3. The small balls inside can utter voice while wagging. It can reduce uproariousness through attracting babys attention.

4. There are 2 holes on both of sides on inside music box. So the balls can pass through the holes. This will train the babys ability of hands and brains harmonization while playing bottle.

5. The product is made from PP. The validity can reach 10 years as its very durable.