A car body combines three different wheels, and uses the assembly of different wheels to adapt the car to different fields, and the assembled wheels run on ordinary roads; the gas wheel and the propeller car swim in the water; skis and track wheels are suitable for snow environments.
ps. The pure brain hole works of the student days, light spray...
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It's interesting
It's quite interesting
Yes.
This one doesn't need electricity.
The clockwork toys were all played when we were children.
I also want to play