World's largest slot machine

There is the greatest slot machine in the world. The human mind is rich on such inventions. Therefore occurrence of such silly thing as HUGE slots, was only "business of time". Rather surprising thing.
Sizes of these slots amaze. Girls in video even have to make serious efforts to pull the lever :) By the way, some people who played on this slot machine, speak, that the chance of a prize of it is insignificant, but the size of a prize is great enough.
Now many casinos in the world use this device.