How to assemble your trolley

Slide on roller spacer and wobble rollers.
Slide tubes over axle to trap wobble rollers
Add long spars to axle ensuring the point inwards (holes are at a slight angle
Add nylon washers
Add wheels.
Add washer and R clip
Add top tube ensuring A-A B-B
Voila!
https://youtu.be/mz8b1dEYXgI