There tubes and water – so act! Fill the tubes with the right amount of water considering their sizes and the lines that are painted on their tops. You might think that this task is very simple – well, it is, but there is a trick. The tubes are different, which means that you have to think carefully before you pour liquid into them. Follow the correct order suggested by the game and don’t pour too much. The game requires precise thinking and logic – be ready for a real challenge of water and containers!