The wind-up key is detachable. The two bumpers front and back protect the car from hitting surfaces, and when it hits the surface, it drives to the opposite direction (operates like Roomba vacuum).There are wear and minor dents on the roof and front fender; a piece of rubber is missing from the. Over all, it is a great collectable item! The car measures 16 long (from bumper to bumper) x 4 wide. Please look at the photos closely (as they are part of the item's description) and do your own evaluation of condition. We do our best to accurately describe each vintage item, but there are times we may overlook a minor imperfection (please feel free to ask questions). The item "RARE 1930s MARX OT711 TIN LITHO WIND-UP RED COUPE WORKING CONDITION 16 LONG" is in sale since Monday, February 3, 2020. This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Wind-up Toys". The seller is "ssbantiques" and is located in Rockville, Maryland. This item can be shipped worldwide.