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
This puzzle is a copy produced by puzzle design Ton DelsingThe 2 cards of 1x2 and the 7 cards of 1x3 must be placed in a square of 5x5. In such a way that the color and the bird only appear once per row and column. The birds must be upright.9 cardboard pieces.