The objective is to arrange the 49 pegs on the board so that no pegs of the same color are in straight line in any direction: vertically, horizontally or diagonally. The time is calculated exactly for each game.
The seven colors of the game are the color of rainbow. It is the game predecessor of Hoo-Doo, game in a box in 50s and now on sale as Hoo-Doo8x8.
Playing Hoo-Doo7X7 each day will help you test your speed in problem solving, and will help maintain and improve you memory, dexterity and creativity. It can help TDA childrens and autism beause you can see the time lost thinking out of the objective. Improving the time will improve your attention and concentration.
Begin slowly. The mentors or parents can play with them. The important is to have fun and to see progress slowly but surely.