- Durable and safe design: anti-deformation cat tunnel with a crack-resistant steel frame and wear-resistant materials for long-term, reliable use. Maintains stability and comfort for your cat without compromise. - Enhanced play and interaction: includes a trackable game ball and a TS tunnel structure to encourage natural exploration and jumping. Peepholes provide interactive engagement and visible fun for both you and your cat. - Compact and portable: foldable crazy frame for quick carrying and setup. Adapts to flexible spaces and can be packed into a portable bag for easy handling and storage. - Versatile for multiple pets: designed to promote smooth movement and flexible navigation for most pet sizes, creating a shared space where several pets can enjoy joint activities. Use scenarios: - Solo play in small apartments: your cat follows the game ball through the tunnel, using the peep holes to watch and engage with you during play. - Multi-pet households: provides a common play area where two or more cats (or small pets) can chase, explore, and interact together. - Enrichment and training: serves as a modular obstacle that can be incorporated into daily enrichment routines, easily folded away when not in use.