Two in One BoxDescription:For sale: the renowned Two in One Box, a mechanical puzzle appreciated for its clever engineering and original design. This puzzle is perfect for collectors and puzzle enthusiasts seeking a refined and stimulating challenge. The Two in One Box offers a unique experience that will test your logic and dexterity. • Condition: Very good condition, handled with care. Photos available upon request. • Price: €45, non-negotiable. • Payment: PayPal Friends and Family onl...

Set: Puzzle Box 1, 2 & 3 – Jean-Claude ConstantinDescription:For sale: a full set lot including Puzzle Box 1, 2, and 3 from the renowned designer Jean-Claude Constantin. These mechanical puzzles are valued for their build quality and clever mechanisms. This set is perfect for collectors and puzzle enthusiasts looking to discover or complete the series. • Condition: Very good condition, handled with care. Photos available upon request. • Price: €35, non-negotiable for the complete set. â€...

Luzon – RexDescription:For sale: the Luzon puzzle by Rex, appreciated for its original design and clever mechanism. This puzzle is perfect for collectors and enthusiasts looking for an elegant and challenging experience. Luzon offers a unique solving journey, blending thoughtful problem-solving and dexterity. • Condition: Very good condition, handled with care. Photos available upon request. • Price: €65, non-negotiable. • Payment: PayPal Friends and Family only. Please do not send pay...

Cluebox - Escape Room dans une boîte : Nautilus du Capitaine NemoDescription :À vendre : le Cluebox Nautilus du Capitaine Nemo, apprécié pour son design immersif et ses mécanismes ingénieux. Cette escape room portable est parfaite pour les collectionneurs et les passionnés de jeux d'énigmes recherchant une expérience captivante et stimulante. Le Nautilus offre une aventure de résolution unique, mêlant réflexion stratégique et manipulation habile dans l'univers fascinant de Jules V...

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.

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.

Remove piece below the flag (hole). Slide the golf ball into the hole. The finish image must be the same as the start image.But with the golf ball in the hole. The puzzle has inside 3 horizontal blockades. There are 2 booklets with assignments. Material Acryl.The pieces are covered with transparent foil. You can slide without damage.

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.

 At IPP 28 2008 in Prague the participants received a cardboard drawing of this puzzle. I enjoyed making a few, this is the last one I have.   An additional slide holder with the history of the towerMaterial MDF.The pieces are covered with transparent foil. You can slide without damage.

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 15 numbers in order.  Pieces can't fall out because of transparent top plate,More assignments on the back of the puzzle. Material MDF.The numbers are covered with transparent foil. You can slide without damage.The letters are covered with transparent foil. You can slide without damage.

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.

Slide de numbers from 1 to 14. 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 nummers 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...

Dutch Cube Day gift.  Material MDFFit all 8 pieces inside the cuircular tray, showing all 8 different words.