MUREN provide to your kids enjoyment and fun. Track Toy Electric Music Slide Stair Climbing Ducks is showing dynamic music will sound and shinning lights can be seen as the toy starts working, which makes the toy more funny and attracts kids' attention more easily. There is a mechanism inside the main part of the toy that enables the stairs part works like an escalator. The lovely ducklings will be sent to the top just like they are taking the escalator. This toy comes with 3 lovely yellow ducks, 1 stairs part as well as 3 sliding tracks. After assembly and start the toy, the ducks will be sent to the top one by one and then slide back to the starting point for the next round. Nearly no babies can refuse such an interesting toy with creative function and lovely appearance.