wooden toy car Unimog with box (CNC)

Inspired from the nice Zenzi-Werken Unimog I've used the files at 2017 to create dxf for use with 18mm beech wood, beech wood wheel axle and Lego tires.

The goal was to create a robust wooden toy for a very little boy with no sharp edges and as less as possible breakable parts but with softer tires.
The only additional parts were the 4 tires (Lego type, found at ebay) and 4 plastic washers between wheel and chassis. I'd used candle wax for lubricating the axles - that was enough to let the c