A pop-pop boat is a toy with a very simple steam engine without moving parts, typically powered by a candle or vegetable oil burner
The name comes from the noise made by some versions of the boats. Other namei s are putt-putt boat, crazy boat, flash-steamer, hot-air-boat, pulsating water engine boat. Around the world they may be called can-can-boot, knatterboot, toc-toc, puf-puf boat, poof poof craft, phut-phut, or pouet-pouet
Sahaya pop pop/ putt putt /phat phat boat is made of good tin metal. The batch of each boat being different there is no option to choose colors
The boat kit comes with a dropper and candle. In case of the candle wax being over we recommend you to use oil and a wick to continue playing with the toy boat