Origin of the Name

The name is derived from the fact that the operation relies entirely on the efforts of the parents (especially the father) who pedal to drive the chain, pulling the child's cabin to the highest point of the track. Parents often get out of breath while doing this, but the child keeps laughing during the sliding process. Netizens jokingly call it "a fatherly joke", hence the name.

Structure and Principles

Core Components: Track (mostly 14–16 meters long, made of steel or fiberglass with undulating sections), child cabin (equipped with safety straps + seat belts), human-powered pedal drive device (chain drive), metal brackets; the entire process is powered solely by human effort + gravitational inertia.

Play： The child sits in the cabin and is securely fastened； the parent pedals at the starting point， and the chain drives the cabin to climb to the highest point； then， relying on gravity and inertia， it completes the undulating and turning slides along the track and returns to the starting point.

Features and Applicable Scenarios

Strong Parent-Child Interaction： It exercises the parents' physical fitness and enhances the sense of parent-child companionship； suitable for children aged 3–12 and their guardians.

High Safety Factor： There is no high-speed diving or rolling； the cabin has multiple fixed points， the track is low in height， and there are generally protective fences.

Scenarios and Applications： Commonly seen in outdoor family amusement parks， scenic spots， rural farmhouses， and parks. It is flexible to install and has low maintenance costs.

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