Scientific size design: 30×40cm compact specifications, suitable for children's height, small footprint and easy to store, more convenient for family useFour-wheel stability system: widened four-wheel layout + low center of gravity design, anti-rollover and anti-dumping, beginner babies can also glide smoothlyEarly lesson practice function: exercise balance and limb coordination through sliding, to help young children develop vestibular sense and proprioceptionSafety details configuration: non-slip pedals, soft grips with universal wheels, shock absorption and noise reduction, care for children's jointsGood things for parent-child interaction: you can play in outdoor parks and indoor spaces to promote parent-child emotional exchanges and share happy hours