“That was fuuu-uun!” In the Disney/Pixar hit movie Cars, Mater is the best backwards driver in Radiator Springs. He is also one of the funniest characters in Carburetor County and the best friend anybody could have anywhere. Just shake him up to start his engine. The more you shake him up, the longer he goes! You’ll hear character phrases from the movie, too. Requires 3 AA batteries.