- #1
Voxynn
- 9
- 0
Does anyone know the name for a mechanical device where a ball bearing is made to go down a ramp, through loops, up and down pulleys etc, while moving on a metal rail?
My first thought was a Rube Goldberg device, but I don't think that's it.
Richard
My first thought was a Rube Goldberg device, but I don't think that's it.
Richard