This is a Maserati 250f Formula One scratch build and a lovely one too
This again uses a resin body, possibly a Mac Pinches Pre-Add one, lovely is.

Fitted with a slimline motor on a scratchbuilt brass chassis
Rear contrate has been lightened.
Rear tyres are good to race
Front tyres have been hardened to race

This is on of a few similar vintage style racing cars I have currently listed