(LOT OF 4) Wind Up Running Furry Mouse Mice Realistic Looking Prank Or Cat Toy Fun Novelty (Lot of 4) Wind Up Running Furry Mice - Realistic Looking Each mouse measures approximately 6 COLORS INCLUDED: 1 GRAY - 1 BROWN - 1 WHITE -and- 1 BLACK Great for Halloween, April fools or any other time of the year! Fun for both humans and their pets too!