Bits and Pieces - Wind Up Racing 4 Mice-Realistic Looking Mice, Carefree pet - Set of 4: Black, Gray, White and Brown. Each Measures 4-1/2" Long Wind up these furry mice and race with your friends to see whose is the fastest Just wind them up and watch their tails whirl while they scurry across your floor! Endless fun Comes in a set of 4: black, gray, white and brown Each mouse measures 4-1/2" long each