Specification: Item Type: Hand Rehabilitation Training Device Material: Wood Main Use: (1) Assists in the recovery of hand function, improvement of hand muscle strength, improvement of forearm joint mobility, and training of hand eye coordination for individuals with forearm, wrist, hand movement disorders, and hand eye coordination disorders caused by brain function problems, nerve damage, hand movement injuries, etc. (2) Sensory integration training for children, hand eye coordination, and fine motor skills training How to Use: Thumb and the other four fingers twist up or down the screw: Keep the upper limbs relaxed, hold the rolling ring screw between the thumb and index finger as much as possible first, then practice with the middle finger, ring finger, and pinky finger in order, and finally coordinate together to twist down or twist up the screw. packing list: 1 x Hand Rehabilitation Training Device (21pcs built in screws) Note: The user must have normal consciousness and cognition, children training must be supervised by adults, hand muscle strength must be greater than or equal to level 2 , and the thumb must be able to produce pinch similar to any other four fingers.Wooden Material: Crafted from excellent wood, the hand rehabilitation training device is sturdy, durable, and safe for use. The wooden texture is gentle on the skin, adding a touch of comfort during the repetitive training process. Progressive Training: Finger exerciser board offers training from large to medium to small sizes, then combined training to adapt to different muscle tension variations in the hand. This approach helps in improving the hand flexibility, coordination, and fine motor skills. Engages Children Sensory Training: Hand rehabilitating device can be used for children sensory integration training. It provides a platform to learn, practice, and enhance fine motor skills, and the hand eye coordination essential in the child early development stage. Useful for Various Disabilities: Whether it is forearm, wrist or hand motion disorders, or eye hand coordination difficulties due to neurological impairment or injuries, this hand training device plays an essential role in assisting the functional recovery of fingers, improving hand muscular strength, forearm articulation, and hand eye coordination. Promotes Hand Rehabilitation: Flexible fine wood insert board features a screw twisting exercise that assists in enhancing finer motor skills and muscular strength in the hands. It is an ideal therapeutic training tool for recovering hand functionality post nerve damage, brain functionality issues, or motion injuries.