Build your World's Smallest Car! LETS GET STARTED! 0$ Thank you for your order, we will contact you shorlty. Body Colour. Choose your car's body colour. Original 1960s Red Colour. ... Choose your P50 Car's interior trim. Harbour Grey* Licorice Black. Manx Red. British Tan. Oxford Blue. Goodwood Green. Old English White. Bespoke Interior.