Functional characteristics: Sensory integration is the ability of the human body to effectively use its own senses in the environment to obtain different sensory information (vision, hearing, smell, taste, touch, vestibular and proprioception, etc.) from the outside world and input it into the brain, and the brain processes the input information and makes adaptive responses.Sensory integration deficiency or sensory integration disorder will affect the coordination of various functional areas of the brain, sensory organs and the body, and cause problems in learning and life. The sensory integration tunnel is the tool and equipment to train this series of sensory integration. It can improve children's tactile and spatial recognition ability, and the muscle strength of hands and feet. Training methods:1. Practice the basic movements of rolling in the tunnel, climbing forward and rolling left and right with hands and knees on the ground. 2. Feel the fun of rolling in the sunshine tunnel through different game methods, so as to improve the ability. Product attributes: shape: straight tunnel, curved tunnel, cross tunnel; Material: Oxford cloth; Length: 10m, 5m