This cockpit (code S04-XA1) fits under any Scalextric Audi Sport Quattro S1 body (for example C3419). It is designed to replace the original cockpit, to leave space for Slot.it motor mounts, 4WD system, and parts. An alternative and lighter Lexan part is available from Slot.it with code S04-XA1. Read the Shapeways Scalextric FAQ
for a suggested list of parts to be used with Scalextric models. This product is not a toy and it's only suitable for model makers of at least 14 years of age.