【Easy to Use】- These stroller pedal adapters must be attached to a horizontal tube/axle in the rear structure of the stroller before use. Connected crossbar length: must exceed 23 cm/9.05 inches. Connected crossbar diameter: 25.4 - 80 mm. If the crossbar is too thin, we provide a foam roller to help you thicken it to the correct width. 【Unique Design】- Size: approx. 35cmx26cm/13.78inx10.24in. Removable and assemble the seat so children can sit and stand on the pedal. Recommended age: 3-7 years. 【Save Space】- Load capacity: maximum 25 kg. Convenient storage strap to hang the pedal when not in use. 【Easy to Travel】- When your child is too tired to walk, when you are in a hurry, the buggy board makes it easier for you. With this tool, there will be no more crying and dissatisfaction between children, enjoy your time with the children when you go out. Note: Transition: 1 cm = 10 mm = 0.39 inches. Please allow 0-1 cm error due to manual measurement. Please make sure you do not mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Stroller board only, other accessories in the pictures are not included.