Are you able to remember more than 50 colored marbles? Do not panic, step by step and with aids you will achieve it quickly and have more mental agility and responsiveness.
Choose the board size and the number of colors and start to memorize.

Features:
- Board from 2x2 up to 9x9 and up to five colors to remember.
- Try to do it as fast as possible to unlock more sizes and colors.
- Two groups of colors (one suitable for color blind people).
- Music notes by clicking circles, you will do your own tune.