Water Sort Puzzle, a color sorting game, is a fun and relaxing game that entertains and stimulates your brain! Quickly sort the colored waters in the tubes until all the same colors are together in the same tube. A challenging yet relaxing game to exercise your brain! HOW TO PLAY: • Tap any tube to move the water lying on top of any tube into another tube • The rule is that you can only move a water on top of another water if both of them have the same color and the tube you want to move into