Tap to select a colored ball and then move it to another container that matches its exact hue.
Successfully complete each puzzle by sorting all the balls so that each container holds only one uniform color.
Utilize the convenient 'Undo' option to step back and reverse your previous moves whenever needed.
If you find yourself stuck on a tricky level, you can add an extra bottle to provide more sorting space and options.
Feel free to restart the current level at any moment to try a new strategy or approach.