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. Material acrylic.If you carefully open the puzzle (press the bottom of the title square piece) you will see a 4. Remember that.

Exchange GROEN with BLAUW, The & piece is immovable Material acrylic.The letters are covered with transparent foil. You can slide without damage.

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.

    Place the pieces in the frame, Place the black piece with the holes on it. You should now see the 0 and 9. (start position). There are several ways to do this, There is only 1 good  to slide to the numbers 1 to 4. Then slide to the numbers 5 to 8, Then slide the 1 at the top left and the 8 at the bottom right, Place the black piece on it so that you only see the 1 and 8. (end position) .The numbers are engraved in the piecesMaterial acrylic.

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.

Put the same colours together. The white center piece can only slide up and down.Pieces cannot fall out due to transparent top plate. Matererial. Acryl.The pieces  are covered with transparent foil. You can slide without damage.

Remove my logo. Slide the spider to the center of the web. The finish image should be the same as the start image, but with the spider in the web. The puzzle has horizontal and vertical blockades inside. There are different assignments on the back of the puzzle. Material AcrylicThe letters are covered with transparent foil. You can slide without damage.

Pieces  with tongue and groove.  Change the direction of the hearts.Center piece immovable.  Inlaid hearts. Material acrylic.

Try to open the puzzle by removing the 4 cylinders with the numbers. (2014 is year of design). Inlaid numbers. Materal acrylic.If you have problems to open it, use the green tool.But try to find out why this tool is  in the BOX!!!GOOD LUCK!

TRICK OPENING  I made this puzzle in 1980 in wood for my wife BEA. She passed away in 2015. I then decided to make this puzzle in acrylic,It has become a very special puzzle. It is a coincidence that this was possible. Be careful with it. Try to open the puzzle by removing the 3 cylinders with the letters. And be amazed at what is inside.  Inlaid letters. Material acrylic ,90x90x27 mmGood luck.Please note!! If your wife has the same first name, BEA, this is a great gift.If you have proble...

Exchange PUZZLES  with PUZZLES. The center piece can only slide up and down. Pieces cannot fall out through the transparent top plate. More assignments on the back of the puzzle.  Material MDF.The letters are covered with transparent foil. You can slide without damage.

Witeden with cardboard box. made in China

   Rotate the pieces so that the same color is on top

WITH BOX (NEW)

(NEW)

    IN ORIGINAL BOX (NEW)

A puzzle from 1898.  Copy of "Le Fermier Avisé" from "The book of ingenious & diabolical puzzles", Jerry Slocum and Jack Botermans Place the 9 cardboard pieces in a square of 3 x 3 pieces. Where 2 numbers lie against each other, the sum must always be the same. So: In each square cage the same number of chicks. To make the puzzle more beautiful I made adjustments,

A fun puzzle for children. 9 pieces, front red, back blue. And 4 eyes. 9 pieces and 4 eyes. Booklet with fun assignments. Or make your own figures or faces. Main assignment. Make 4 different red JD monograms. Make 4 different blue JD monograms. Material Acrylic. Example:

Change ROOD with GEEL  Bottom slider left to right. & piece immovable.Pieces cannot fall out due to transparent top plate.Material Acryl.   

12 pieces with inlaid letters. Pieces with tongue and groove. All pieces 20x20 mmSlide from the starting position ALBWHITE CK!!ET TO !WHITE !BLACK! On the back there is a slide up and down. This slide changes the free hole.Then slide to BLACK! WHITE!  easy?Material Acrylic.