Kid's force

摘要

this is the movement of children interested in body and left and right (1, 2) of the shaft (7) connected to the steering wheel left and right in the middle of a blade (3) to (9), a handle (4) to the left and right body inside pulled a blade at the left and right (9) in the sound to hit , the body (1) installed on the control pin (5) to pull out, the body (2), we need a stage to adjust pin (5) is embedded in the shift array (10) of the insert, the body left and right (1, 2) of the position changes of the left and right, and (4) a pull, a spring (8) of the length change this change to the amount of exercise the children's ability.