Happy Glass is an outstanding puzzle Friv game online in which you will be filling a cute little glass with tap water. The game features elements of physics and you can train your drawing too. In each level, there are different objects in the surroundings of the glass. Use your mouse do draw lines on top of the surrounding objects so the water can successfully get from the tap to the glass with a help of gravity. If you manage to guide some of the water to the glass, but it will end up half-full, it won’t count. In Happy Glass, you will be rewarded stars once you have finished each level.