Smart Obstacle Avoidance: Equipped with an intelligent sensor on its head, this toy automatically changes direction when it encounters obstacles, helping keep your cat safe during indoor play. Size: 8.5 cm x 4 cm (3.35 x 1.57 in). Interactive Design: A wheel-driven motion keeps your indoor cat engaged, while a built-in squeaky mouse sound boosts excitement and chase motivation. Adorable Appearance and Unpredictable Pathways: Cute design paired with erratic escaping routes provides ongoing fun and mental stimulation. For best performance, use on smooth surfaces. Enhanced Speed and Agility: The wheels are designed for smooth movement so the mouse runs swiftly, appealing to your cat’s natural hunting instincts. Use scenarios: - Daily indoor play on hardwood or tile floors to entertain and exercise your cat. - Rainy days or when you’re busy, the toy offers self-guided chasing to keep your cat active. - Suitable for single or multi-cat homes to encourage interactive play and mental engagement.