HydroBOB - this compact scooter for driving under the water. It will allow even inexperienced person feel underwater explorer, though not have to travel on the sea floor, and on the bottom of the pool. Oxygen enters into it from a special container, attached to the scooter itself, rather than through a hose to the trailing surface. If you lit a desire to drive on such transport, then you have to go to «Hyrdodome» in Forte-Loderdeyle (Fort Lauderdale), Florida, for $ 25 per hour.