Well, thank you!
Wheels are black acetal with, on the one made from square brass bar, heat-blued titanium hubcaps. Axles are brass, cross-roll-pinned into the body, with brass hubs giving a thou or three endfloat on a close running fit to the wheels.
If little children are involved, fix the driver in so as to prevent choke hazard – I used an M3 c/sk skt screw from underneath. If the kids are older, loctite the wheelnuts …
Edited By Mick B1 on 15/12/2019 14:26:35