These days, elementary, middle and high school students and the general public have been improved physique and stamina drops obesity increases and. The present invention is made to the ttwimttwigi Organization fun while jumping over the line every time I moved into place to connect the line to the 'b' shaped steel blades with a bevel gear. In the present invention doubles the effect of exercise by having a workout with a joyful heart through ttwimttwigi, we propose to solve obesity and physical fitness and health promotion programs way. ; The invention without electricity or bevel gear motor artificially rotates within the rotor through. Speed, line height, adjust the intensity with the number of rotor blades, and many people can not exercise (more than 30 available) is fun and interesting. In addition, it is expected to apply in the physical education field.
展开▼
