As the name implies, Akiyuki's 'Five Rings' are made up of five ring-shaped Lego. The individual ring looks like this. Connect the first stage and the ball supply mechanism that serves as the base.

If you’re proud of yourself for building one of Lego’s many pre-packed kits, prepare to feel humbled. Builders in Japan have built an enormous Lego contraption that endlessly moves tiny balls in a ...