After watching the "Cars" animated movie, my boy starts playing with toy vehicles now. Sometimes, he puts all the toy vehicles (include thomas train, police cars, mini wooden truck, bus) in a row and pushes them vigorously one by one on the floor. To me, it looks more like a crash than a race (with some overturned and some stacked on each), but my boy enjoys the car-racing game which created in his own version.
Besides, he likes to mimic the main character "Lightning McQueen" too. On his tricycle, he pretends to ride as fast as and makes a sudden "turn" or "jump" then adds the fancy slogan like how McQueen says it in the movie - "Ka-chow!".