Duck Track Toys for Kids – Stair-Climbing Escalator with Lights & Music, Includes 3 Small Ducks – Interactive Duck Track Slide Toy – Perfect Toddler GiftAction Packed: Features a stair climbing escalator mechanism that sends the small ducks up one by one, where they then slide back down the track to start over in a continuous loop. Engaging Features: Includes flashing LED lights and cheerful music (often with an on off switch) to capture a child's attention. Assembly: It requires simple assembly, typically connecting the tracks to the main escalator part. Safety: The parts are usually made from ABS