The Kaytee CritterTrail Run-Away is a high-quality plastic toy that comes complete with a water bottle, food dish, run-about exercise ball, petting zone, and look-out tower. The toy is ideal for use with hamsters, gerbils, mice, and other small animals. It allows for expansion with various critter trail accessories. The toy has a 20″ L x 11. 5″ W x 18″ H design and is made of high-quality plastic.