PROMOTE BABY’S DEVELOPMENT: This ducks climb stairs toy with musical effects can promote baby’s development, fun songs and upbeat music can develop baby’s visual perception. Rev up your child’s curiosity and hand-eye coordination with this race track set. SAFETY MATERIAL: This duck race track is made of ABS, the toy is non-toxic, eco-friendly, safe and durable. All parts are round and smooth without any sharp edge, which is safe for children. Recommended age for little ones 9 months and up. FUNNY 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 slide. EASY TO CARRY: 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.