Toy set: you will get a stairs climbing toy comes with 9 pieces of cute little ducks, also comes with a USB charging cable for you to plug in and use, the toy will only start when plugged inSafety material: this duck race track is made of ABS material, safe to use and reliable, all parts of the toy are round and smooth, without sharp edges, which can protect children well when in useEasy to install and carry: this roller coaster toy is small and easy to disassemble; After disassembly, it can be carried almost anywhere, such as taken indoors, to the garden, to the beach and to the queue, then you can assemble in order, children can start to playFunny design: the duck toys set is equipped with flashing LED lights, the toy has a fun sound track and upbeat music (with an on/off button), when you start, the duck will climb the stair with the music, and then slide down the slidePractical toys: this ducks climb stairs toy with musical effects can promote baby's development, fun songs and upbeat music can develop baby's visual perception, help them identify colors, and help young children develop hand-eye coordination