Indonesian Gun Boat - Pop Pop Boat. Indonesian Gun Boat - Pop Pop Boat. Indonesian Gun Boat - Pop Pop Boat. Indonesian Gun Boat - Pop Pop Boat. £8.00 Out of stock Indonesian Pop Pop Boat - Gun Boat - Black UNTESTED Made from tin, this fascinating steam powered toy boat measure just 5 1/2 inches (14cm) long. A popular toy in the early to mid 20th century before clockwork and battery power became popular (and affordable) Includes full instructions, 2 candles, a fuel holder and priming dropper and will also run using olive oil and a piece of candle wick or thin string. (Instructions supplied) Health & Safety etc - These boats use an open flame and not to be given to children under the age of 14 without adult supervision. They do not conform to toy safety standards and are for adults only.