In a IPP special of his newsletter "PUZZLETOPIA" Nob published this L Puzzle12 pieces.
This puzzle is a copy produduced by puzzle design Ton Delsing Front black. Back white. Put 12 pieces into a 7x7 square. Black side up. Rotation are permitted, turnover is forbidden. Inlaid letters. Material Acrylic.
This puzzle is a copy produced by puzzle design Ton Delsing.Slide the numbers into order. Start: remove orange center piece .Green pieces are immovable. Material MDF.The letters are covered with transparent foil. You can slide without damage.
The most difficult puzzle I have designed. The puzzle consists of 15 pieces. Some pieces can be slid under the edge. Goal: Make the numbers 1 to 9 from left to right in the frame There are different possibilities. But there is only one possibility to slide to a magic square. The numbers are engraved in the pieces. Matrial Acrylic.If you carefully open the puzzle (press the bottom of the title square piece) you will see a 4. Remember that.
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