 After Benjamin Linus turns the frozen wheel beneath the Orchid station, he finds himself in the Tunisian Desert 10 months later.After the wheel is turned, several characters remaining on the Island are intermittently transported back and forward through time, with each shift being accompanied by a blinding purple flash and health deterioration effects (including headaches and nosebleeds) until Locke puts the wheel back on its axis.Walt's becoming so tall, so quickly was a natural event, and not a result of the temporal displacement, although it was likely the inspiration of this device.