What Foods to Avoid Feeding Your Pet Rat. Some foods can be poisonous or harmful to pet rats, ... Purchase an interactive toy that requires the rat to solve a simple puzzle to get their treat.

Food Puzzles: Unleash Your Pet's Wild Side . Food puzzles can help solve dogs' behaviorial problems. By ABC News. May 28, 2010, 4:02 PM. June 3, 2010— -- Pursuing food was an all-consuming ...