VEVOR 4-in-1 Baby Walker, Foldable Baby Activity Center on Wheels, 3 Adjustable Height, Music & Toys Tray, Learning-Seated | Walk-Behind | Rocker | Bouncer Toddler Walker for Girls Boys 6-24 Months

Please refer to the installation steps in the manual. https://mdm-goods.vevor.net/mdm-goods-service-prod/BABYWALKER%EF%BC%88M%EF%BC%89-1_1759204811227.pdf