Multi Modes for Challenge: This cat puzzle toy provides multiple modes, such as easy, normal, hard, and DIY mode as your needs. With the adjustable difficulty settings, your cats will exerience lots of entertainment and mental stimulation. It is suitable for cats from the beginner to expert Help Slow Eating and Keep Health: This cat maze encourages cats to play or work for food, which slows down eating process and digests food sufficiently. Therefore, this puzzle feeder reduces the risk of overeating and keep your cats good health Easily Openable Lid: There are 2 grooves on both sides of bottom. Just align the grooves to close or open the lid easily. The transperent lid attracts cats to touch or pick treat from the holes.The wide opening is easily for you to fill food Easy to clean and maintain: Every part of this toy can be installed or uninstalled. It is easy to clean and maintain. After cleaning, please make sure every part is completely dry when yon reinstall Anti Slip Pads Design: The anti slip pads keep the toy stable and cannot move or be knocked over when the cats challenge to pick or scratch treat out