Features: 1.Unique DesignElectric Duck Climbing Stairs Toy Set comes with blinking LED lights, easy to assemble. Equipped with 9 little yellow ducks, the cute little yellow ducks can climb stairs and slides. This toy contains fun tracks and upbeat music (with an on/off button). 2.Safe Material: ABS material, environment protection, safe and durable. All parts are round and smooth without any sharp edges, which is safe for children. 3.Portable and Easy to AssembleIt's not that big, and the DUCK Roller Coaster Toy can be taken anywhere when disassembled. It can be used indoors, gardens, beaches and queues. Once assembled in order, the kids are ready to play. 4.Help baby DevelopmentThe cheerful music can cultivate baby's visual perception ability, help them identify colors, and help children develop hand-eye coordination ability. 5.Promote Baby's Development: Flashing lights and cheerful music can develop baby's visual perception, help them identify colors, and help children develop hand eye coordination Specification: Material: ABS Power Source:2 x AA Battery (not included) and USB Cable Package Included: 1 Set Of Little Duck Climbing Stairs Toys