Usage Tips:Fun training The unique design interesting rolling wheel design make it more attractive. It can effectively arouse the interest and appetite of cats and dogs through healthy games and exercises. This snack distribution toy can keep dogs mentally and physically active while playing, and give them the training they dont usually get, so that they can grow healthier and happy.EASY TO USE: For small and medium dogs and cats . Unscrew the lid, fill with small kibbles, then close the lid. Then show and teach your pet to roll to toy , the food will slip out slowly. ENHANCES PET HEALTH: Helping cats and dogs develop good slow food habits, and also help It has better digestion of food and is an ideal food container for pets to keep healthy.EASY TO WASH: Use soft foaming water to clean every part of the interactive food dispenser, leave it dry .NOTE : 1. For small and medium dogs . 2. For small kibbles. 3. When install the inside accessories, if you cant put it full in pls try different direction, until it goes to the matched corner. 4.Better let your pet play it in a large space in case the toy rolls into furniture/under sofa or bed.etc