Actually, this is requesting for help on project.
Required to design a car which can move through a distance of about
6 metres.
No batteries, only mechanical power allowed, ie. clockworks
allowed.
But I have no idea on how clockworks work.
Some people proposed using balloons [probably if I build the
prototype it could work], but I wonder if it's feasible.
Any ideas of building fast-moving, light, nice cars?