Bath Toys Putt Putt Steamer Learn Steamer Concept Early Edge Education Toy (2 Sets ) Science and Activity kit Material Tin Color Height (cm) 5 Width (cm) 12 Length (cm) 16 Weight (Kg) 0.05 In the box Steamer Disclaimer Product colour might vary slightly due to photographic lighting sources or your monitor settings How does it do that? When the water in the coil boils, the steam expands. This pushes the water out of the tubes. The reaction pushes the boat forward. As the steam continues to expand, it encounters the section of tubing that used to be full of water. This tubing is cold, and the steam condenses back into water. This causes a vacuum to form, which pulls more water back into the tubes. You would expect that the water moving back into the tubing would cause the boat to go backwards. However, the water doesn't get very far before it hits the end of the tube (the two streams of water in the two tubes meet each other in the coil). Any motion caused by the water being sucked into the tubes is reversed by the water hitting the front of the tube (the coil) and pushing the boat forward again. As you saw when you put your finger near the tubes, this back and forth water motion is fairly rapid, and the comparatively heavy boat never actually moves backwards at all. These are made in India on hand-operated presses, from tin plated steel. They are then hand-painted. They make a wonderfully loud "putt-putt-putt" sound as the steam around a bathtub, swimming pool, or pond. They come with a tiny candle, and also a little wick so you can use olive oil as a fuel, which will run the engine for hours. You can (https://sci-toys.com/scitoys/scitoys/thermo/poppop6.avi) to see a video (with sound) of the little boat speeding around a bathtub. Feedback A line of your positive feedback will be boom for our encouragement and invoke others as buyer , please leave positive feedback after receiving the item. In case of any issue with item you can Email/Contact us anytime. Shipment Kindly note you can place min order of one set Containing: 2 Set Steamer Toy.
