MECHANISMS - MECHANISMS IN ATTRACTIONS

Also, there are technology in fairs. These are two attractions which attractions that are powered by mechanisms. 

TREADMILL: It´s a transmission system of friction wheels. 

Here, the cabins aren´t inserted and we can see the driven wheels. The work with a belt and a electric motor.

KANGAROO: It has a lever of the third degree. In the medium, there are a fixed point and hidraulic pistons move the arms. In the photo you can see the pistons.