Little Duck Climbing Stairs Toy Little Penguin Automatic Ladder LightOverview 1. Automatic ladder function The simple and cute little dolls swayed and lined up to climb the stairs, slide down the slide, and then slowly climb the stairs, with lights and music, it looked more interesting 2. Rotating slide design The slide is very interesting. Although the slide is not long, the design is very characteristic. The three little dolls keep sliding down from the height and then go up the stairs. You chase after me. It's fun.