I do not know exactly what the name of this toy is. But my little time is often called by the name Kapal Otok-Otok (Ship Otok Otok). This toy is a miniature ship, the length of about 20 cm width 5-6 cm high 4 cm made of cans. How to play the ship otok-otok this ship is placed on a basin that has been given water, then fill the water from the ship's exhaust, then turn on the axis and wait a while until the water in the boiling tank boats. Then this little ship will soon go with its distinctive sound otok - otok - otok ... around the basin. It's unique. Fuel used instead of gasoline or diesel fuel, but coconut oil or cooking oil.