Marble Sort!

- Tap a tube to pick up its top marble, then tap another tube to place it; you can stack on the same color or in an empty tube. - Group marbles so each tube ends up with a single color to complete the level. - Watch tube capacity and plan sequences of moves to avoid getting stuck. - Use an empty tube as a buffer to rearrange colors more efficiently. - Reset the level or undo a move if available to explore new solutions. - Progress to tougher layouts with more colors and tubes as you advance.