Vintage 1960s Renwal Model Visible V8 Engine Model Assembly Kit missing parts

  
Vintage 1960s Renwal Model the Visible V8 Engine Model Assembly Kit, this has never been assembled but it is missing parts. Missing some gray parts, black parts the motor and maybe other parts too. The box top looks nice, the bottom of box has a couple taped corners, comes with booklet and papers. This has never been assembled but it is missing parts. Missing some gray parts, black parts the motor and electrical and maybe other parts too.

Box has wear as well. I dont think there are any parts to the crankshaft in the box.