Features: Unique Design: The duck roller coaster 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 on/off button). Safe Material: Our duck roller coaster is made of plastic, the toy is safe and durable. All parts are round and smooth without any for sharp edge, which is safe for children. Easy to Install and Carry: The size of the duck roller coaster toy is only about 27.5×14cm/10.83x5.51inch. It is not large and can be taken anywhere after disassembly. It can be taken indoors, to gardens, beaches and queues. After being assembled in order, kids can start playing. Perfect Gift: This duck roller coaster toy set is a perfect gift for the beginning of school season, Halloween, birthday or Christmas for kids. Promote Baby's Development: Interesting songs and cheerful music can develop babies' visual perception, to help them recognize colors and help young children develop hand-eye coordination. Specifications: Material: Plastic Size: approx. 27.5×14×24.5cm/ 10.83x5.51x9.65in Power Supply: 2x AA Batteries (not Included) Package Includes: 1x Electric Stairs 3x Slide Tracks(Track A, B, C) 3x Yellow Ducks 1x Patterned Cardboard 1x Sticker note: Please allow 1-2cm errors due to manual measure. Pictures may not reflect actual color due to the different monitors.