"Well, Dad Gum!" In the Disney/Pixar 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 – you’ll hear engine sounds and he'll say memorable phrases from the movie. The more you shake him up, the longer he goes! Race him up to 20 feet (6 m), or race him on the Shake ’n Go! Speedway™ (sold separately). Requires 7.6cm AA" (LR6) alkaline batteries.Vehicle approx. 14cm L x 8.9cm W x 7.6cm H.