Magnetic modular design forms a spacious cat tunnel - Magnetic connectors allow multiple components to be linked into a wide tunnel, enabling extended play and exploration for your cats, including households with several felines. Stylish and practical - The scratching post features lively bell balls safely contained to provide entertainment without the need to constantly search under furniture. Eco-friendly and durable - Built with environmentally conscious materials to ensure a sustainable and long-lasting scratching experience that you can trust. Health-focused scratching surface - Designed with a honeycomb grid and a sturdy corrugated paper surface to support safe, satisfying clawing training and help protect household furniture. Easy to assemble and adjust - Quick setup with magnetic connectors; reconfigure the layout to fit your space or adapt to daily play needs. 2-3 practical use scenarios - Indoor enrichment: create a dynamic tunnel area that stimulates curiosity and activity during the day. - Multi-cat households: offer separate, interconnected play zones to reduce crowding and competition among cats. - Scratch training and protection: use the honeycomb and corrugated paper surface to channel scratching behavior into a safe, appropriate outlet. Notes - Functions, compatibility, size and performance rely on the modular pieces and magnetic connections described; no additional components are required for basic use.