Puzzle games are some of the most inexpensive exciting activities that can keep your family entertained for a couple of hours. They are conversation-friendly and perfect for the days when you don’t feel like going outdoors. If you want to switch from an addictive TV show or indoor game, try replacing it with 3d wooden puzzles. Have you been scratching your head while solving hard puzzles? Perhaps the old strategies aren’t working anymore, and you need additional tricks.

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There is always a particular satisfaction you get after solving difficult puzzles. Moreover, puzzle books help to keep your brain sharp regardless of your age. The internet is flooded with impossible puzzles most of which require technical skills. For instance, some require you to research the page’s source code to get a clue. But the best puzzles test your brainpower, not your computer skills. Do you love solving Mystery puzzles? This post outlines some brainteasers for you and how to demystify them.

1: Impossible dovetail joint puzzle

We consider the dovetail joint puzzle to be perfect for the beginners or anyone who want to exercise tackling an impossible puzzle box. But it is so interesting that even the most seasoned woodworker cannot resist creating it. It is the kind of game you notice outright. Basically, it is a rectangular block consisting of two distinct pieces fitted together. The lower side parts are dovetailed into their corresponding upperparts.

If made successfully, this wood puzzle looks like two dovetail joints that cross one another on the inside. You would think that the object is impossible to make the first time you come across it.  That is why it is considered to be one of the most difficult jigsaw puzzles for adults by many. Solving these difficult puzzles may be just as beneficial for the child’s development as studying and doing homework.

The biggest task is to figure out how the dovetail joints are made. As you can see from the image, the two dovetail joints extend corner ways to faces rather than squaring with faces. It is recommended that you focus on the contrast-colored woods. This is where the joints are highlighted. Once it is glued and polished, it is almost impossible to detect the solution.

How to make the impossible dovetail joint puzzle

You need a handsaw, chisel, and coping saw.

• Start by laying out the sockets and the dovetails and mark what needs to be cut out.
• Saw the socket cheeks and the dovetail cheeks and mark them differently.
• Cut off the unwanted parts using a coping saw to create a joint shoulder.
• Use a broad chisel for pairing the cheeks and a narrow chisel for the shoulders.

Note that the dovetail joint puzzle comes in many versions but they apply the same principle. They only differ in the number of tails and the shape.

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2: Impossible Nail in Wooden Block

Read and digest the following information and set out to work on the puzzle in your head. Soon, you will be solving all wooden 3d puzzles. This trick is basically about the nail that passes through a block of wood. The solid nail is not glued, bent, cut, or altered in any way. The nail glides back and forth inside the wood block. Its length exceeds double the diameter of every hole. The wood is neither bent nor squished like some people think. If it’s your first time to come across the Impossible Nail in Wooden Block, it might seem to be against physics and logic. Just like the difficult jigsaw puzzles for adults, this puzzle will encourage you to think hard and reason.

So, how do you make this object?

You need

• Hardwood piece
• Big nail (60d, 6” long)
• A small scrap wood piece (2” by 4”)
• A smaller nail (20d)
• Table saw
• Rotary tool
• Electric Planer
• Orbital sander
• Drill press

There are various tools you can use to achieve the same result. It depends on what you can access easily. Then, follow these simple steps:

1. Flatten the piece of hardwood.
2. Mark and punch the two big holes you want to drill.

• Drill each hole halfway inside.

1. Break the holes and create a route where the nail will rest using a carving burr.
2. Polish up the holes with a rotary tool.
3. Glue and clamp back the board together.
4. Clean up and sand down the glued joints.
5. Finish the block with lacquer.

It is advisable to use hardwood to avoid splintering. Make sure that the two sides of the nail route are aligned neatly. And voila! You have the impossible puzzle solved.

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3: Wooden Centrifugal Puzzle

Do you love repairing things by yourself? Here is one of the cool puzzles to test your DIY expertise.  It consists of two pieces of woods locked together. Your task is to figure out how they should be unlocked. To solve the mystery, you should know how the Wooden Centrifugal Puzzle is made.

The two wooden parts seem separated with each half having a center notch plus a hole beneath. There are two holes and dowel pins which move freely inside. The central notch equals the thickness of the wood. To solve the impossible bottle puzzle, you must visualize yourself assembling it. So, you must understand the two dowel pins. First, push the pins into the holes. Turn half of the object upside down and allow the parts to rest into their respective notches. Toss the arrangement back and forth until the dowel pins start moving through the holes of the locked parts.

Do you know why the puzzle is referred to as centrifugal? If you place it on a flat surface and spin it with your finger rapidly, it creates a centrifugal force which chucks the dowel pins out from the center. Then the two pieces are released so you can lift them easily. This is actually the easiest way to unlock the two pieces.

Conclusion

You wanted the hardest puzzle. There you have them: a list of the most difficult logic puzzles. Most of them are designed in specific workshops and are not available elsewhere. Generally, puzzle impossible is a teaser that takes hours to figure out and memorize. If you think you have mastered an impossible puzzle game, you should be in a position to prove it to another person without boring them in the process. Note that using solutions is not actually solving the impossible puzzle. The games may be challenging but they are meant to be interesting. They are more than just pieces.