Little One had fun one afternoon painting with some of his cars.
The paint can be tricky to clean off the wheels, so if your little guy wants to paint with his favourite car, you may need to prepare him for multicoloured tyres after the art. :)
(PS. This is not an original idea and I like to give credit where it is due, but unfortunately I cannot recall where I saw this for the first time. If it's your idea - please let me know.)