Specifications

Ball movement    

Set all single mechanical device items into a interesting track, the audiences co-operate device to drive ball doing a circular motion in the track. During the ball's movement, show the structures and principles of various mechanical devices in the strong interesting and participating form.                                                 

 Participants operate more than 10 kinds of simple mechanical devices. When the mechanical devices move, control the ball to complete work cycle continuous rolling, the obstacle, up and down, translation, to understand the functions and principles of mechanism