Electric Duck Stair Climbing ToyElectric Duck Stair Climbing Toy Promote Baby's Development: Interesting songs and cheerful music can develop babies' visual perception, help them recognize colors, and help young children develop hand eye coordination. Unique Design: The toy set comes with flashing LED lights, and it is easy to assemble. The cute little yellow ducks can climb stairs and slide tracks. The toy contains interesting tracks and cheerful music (with an on off button). Safe