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.
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.
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.