hand coordination trainer

A hand box can help you, its advantages:
– Enhance hand coordination
– Improving fine motor skills
– Enhancing manual performance in a variety of activities

How to use:
– It must be placed in the appropriate place for ease of use
-The swing handle can tilt the raceway plate forward and backward, left and right
-Put the steel ball on the curved raceway, and use your sight to make a slight and sweeping swing to make the steel ball advance along the curved raceway.