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Drinking water is especially important for children,but it always seemed to be a boring routine. To make drinking water become interesting,we design an amusing water bottle, UNDER WATER. There are a doll on the buttom of the bottle and a buoy floating on the surface of water. While drinking water, the buoy will fall with the surface of the water. Drinking water and you can safe the doll UNDER WATER !
National Cheng Kung University
YU-WEN, SHIH HUI-CHEN, HSU CHAO-JAN, HSU