Tune up your model with Slot.it parts and motor mounts! This chassis (code S01-ST3) is designed to fit under Carrera DTM Audi A5 2013 body (for example 30674), and is fully compatible with Slot.it parts and motor mount. It is also compatible with Scalextric SSD EasyFit Digital Plug C8515, whose latch may be closed with DPR Chip cover S99-S01. Visit http://www.slot.it/Download/FAQ_PDF_en/16-DTMCarrera3DFab.en.pdf for a suggested list of parts to be used with this chassis. This product is not a toy and it's only suitable for model makers of at least 14 years of age. This is not a Carrera product, and we are in no way affiliated with Stadlbauer Ag.