In thoery, assembling the Boot Lane chassis is a screwdriver job. Acrylic sides are screwed to 3D printed spacers. Not quite idiot-proof, but if you read the instructions carefully, then hopefully not to bad a job.My Dad managed, with a tiny bit of assistance, to put the working of his Rose together, and it's the first time he's ever done this sort of thing.
The motor fits nicely into it's cradle, and everything fits perfectly. Getting the spacer the motor bolts on to the right way up is essentail - there is a groove to accomodate the gear wheel that should be at the bottom (the chassis is upside down in this photo) or it won't fit later.
Biggest surprice so far, how far the screws go into the spacers. Lots of turns of the big screwdriver, in fact a small powered version wouldn't be a terrible idea for this job.