Cat Puzzle Toy: Innovative maze design stimulates cat's natural curiosity; Includes bell ball and rainbow ball for interactive play; Encourages mental stimulation and physical exercise; Suitable for kittens and adult cats; Helps reduce stress and anxiety（Previously, the lack of rubber rings for fixing parts has been solved, please feel free to buy） Safe board materials: Made from high-quality board materials; Smooth surface ensures cat's safety; Non-toxic water-based coating; Durable and long-lasting design; Easy to clean with a damp cloth Multi-Functional Design: Adjustable difficulty levels for progressive play; Multiple entry points and compartments; Encourages natural hunting instincts; Improves paw-eye coordination; Compact size fits most spaces Indoor Cat Entertainment: Perfect solution for apartment living; Keeps cats active during owner's absence; Reduces destructive behavior; Supports healthy weight management; Ideal for single or multi-cat households Easy to Use & Maintain: Simple assembly required; Lightweight and portable design; Replaceable balls available; Space-saving storage; Complements other cat furniture This cat toy has two balls inside: a bell ball and a rainbow ball. There is always one that will attract your cat, stimulate its hunting instinct, release excess energy, relieve boredom and anxiety when being alone, and reduce the behavior of destroying furniture. In response to the current issues, the following supplements are made: 1. The products in the current inventory have been reinforced and are more sturdy. 2. There are two ways to put the small ball into the toy. One is to put it in before closing the wooden board, and the other is to put it in through the largest hole after assembling the board (the other holes cannot be put in). 3. Each kitten has a different personality and hobbies. You can put some snacks in to guide the kitten to play with this toy. We are committed to providing excellent after-sales service to ensure a pleasant time for you and your beloved pet.