This cockpit (code S06-SA1) fits under any Scalextric Bentley GT3 body (for example C3514). It is designed to replace the original cockpit, to leave space underneath for Slot.it motor mounts, and parts. An alternative, and lighter, Lexan part is available from Slot.it with code S06-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.