The main issue with Oxford vehicles is that the axle holes in the wheels are bigger than the holes needed for Faller Car System parts to fit. The other issue is that even with the Faller conversion kit, their circuit board is not designed to attach easily to the vehicle.

Brand: Merryweather Scale Vehicles
Assembly Status: Unassembled Kit
Scale: 1:76
Country/Region of Manufacture: United Kingdom
Unit Quantity: 1
Gauge: OO