Copy produced by puzzle design Ton Delsing. Old Puzzle. The following text is printed on the back of the box.With the 9 pieces a large square or other figuresis to be formed in such a way that the same colour shal not occur more then once in any row horizontal or vertical (in the square also diagonal) This must be done for each symbol..Material . Cardboard pieces
Put the letters in the right order. Assignments on the back. Pieces cannot fall out due to transparent top plate.Material acrylic.The letters are engraves in the pieces.
Turn and press so that all half circles above and below have the same color. Inside you can set 5 different difficulties. Instructions included.Turn the center with a coin to open.
