Safe and durable material The interactive cat toy is made of robust, easytoclean ABS plastic. It is biteresistant and shatterproof, nontoxic and odorless, gentle and skinfriendly, with no sharp edges. Intelligent sensor and automated operation Press the start button to begin. The green indicator light comes on and the device will automatically enter standby mode after 3 minutes of operation. The builtin sensor activates the worm when your cat approaches; when the sensor head detects the cat, it automatically starts and runs again for a 3minute cycle. Selfoperating play that engages cats Provides hours of fun, mental stimulation and exciting tail hunting. The interactive cat toy with Wuselwurm turns any window into an irresistible playground, satisfying natural instincts and dispelling boredom. Stable vacuum suction cup for spacesaving setup Moisten the surface with water. When wet, it sticks firmly to smooth surfaces such as glass and tiles. Turn your window or wall into a dynamic play area without taking up floor space, and it won't fall off even if your cat jumps onto it. Use scenarios Scenario 1: Place on a living room or bedroom window to provide hours of chaseandpounce play while you focus on tasks. Scenario 2: In a multicat home, the windowmounted toy offers shared or alternating play, keeping multiple cats engaged. Scenario 3: In a small apartment, convert a glass door or window into a dedicated play zone, freeing floor space while maintaining enrichment.