The exciting and at the same time relaxing logic training for a player from 5 years. At the beginning 4x4 Sudokus are solved, gradually the more and more tricky 6x6 Sudokus. The front of the puzzle card specifies the starting positions and the solution can later be checked on the back. The spaces on the game board are filled with colorful chips that show funny animals or numbers. No color may be repeated in a row, column or square. Brains are required here