The Mechanical Swimmer. has a Submarine Motor Mini and Underwater Gearbox move the legs via crankarms. In addition, gearbox movement is also delivered to the arms using rubber bands for the robot to swim. By replacing the positions of legs, arms, and head, the robot can perform three swimming styles (Free Style, Butterfly, and Backstroke).
Move through the water alternately with both hands, you swim by moving up and down alternately feet. Head The point is attached to a position where it does not appear almost from the top of the fuselage.
Move through the water by moving back and forth at the same time both hands, you swim by moving up and down at the same time both feet. Position of the head is the same as the crawl.
Movement of arms and legs is the same as the crawl, but the arm will be on the left and right contrary to the crawl. Attach at a position where it protrudes slightly from the body position of the head.