We therefore decided to amend the design of the tubes so that they do not need to be attached to a base. We wanted to be able to have a wheel that we could each keep and move around with, playing the wheel on the various different tubes.
Achieveing the right design to make this happen is tricky, and we spent the whole session trying different options and testing out the results. Joe had sourced some felt for the rim of the wheel, and this seems to work when on the largest wheel but not so well on the smaller wheels.
Joe manages to make it look really easy to play, but there is quite a skill to balancing the wheel on the tube with just the right amount of pressure to make a sound.
This is how it is done: