This puzzle was a very very popular joke puzzle back in the 1920's in the US, particularly with salesmen and among athletic teams. Once you have it down, you can quickly, in about five seconds, attach it to someone's dress shirt or polo. The faster you can attach it the less likely they'll see how you do it. Any buttonhole can be used from neck to waist or the ones at the wrists on dress shirts. After you attach it, just step back and see if they can solve it (they can't). Some people will never figure this one out, they'll be amazed when you can remove it easily. This puzzle is 3 1/8” long, 1/4” wide, and comes in a set of 3 in assorted colors. ...

This fiendish wooden brain teaser puzzle, with its eight pieces, odd angles and peaks, will test your mind and patience. When this puzzle cube is built, it fits nicely in the angled presentation base. Quite an impressive difficult puzzle. Puzzle Name: Devil's Cube Difficulty Level: 4 about difficulty Approximate Size: 3 x 3 x 3 about sizes ...

Can you get the four blocks out of the Nightmare Box and then get them back in? An interlocking puzzle, the pieces move within the box so you’re essentially flying blind! If you can solve this one without the instructions, you've truly accomplished something special. This one might keep you up at night. Puzzle Name: Nightmare Box Difficulty Level: 4 about difficulty Approximate Size: 2.75 x 2.75 x 2 about sizes ...

Seven pieces, all different, will form a cube in 240 unique ways. In addition, there are many other shapes that are generally more difficult to solve than the cubes. Our instruction sheets include 60 3-D shapes to be made (with solutions), along with recommended websites that are dedicated to this puzzle that will give you many more shapes, math theory, history and more. The Soma Cube was invented by Danish mathematician Piet Hein in the 1930's. There's a debate over the exact year the Soma Cube came into existence. Thorlief's Soma Page goes into great detail concerning Soma Cube history. It will develop spatial relationship skills in all ages. You start to be able to visualize the relationship of the piece in your hand to the available space in the puzzle in your mind. ...

It is thought that this puzzle was made of paper and used as a tree ornament in 16th Century Germany. The Star was first documented as a wooden puzzle in an English toy catalog in 1803. The Star is a six piece, premium, interlocking puzzle that has been entertaining people for centuries. Star 3x3x3 Difficulty Level: 3 about difficulty Approximate Size: 3 x 3 x 3 about sizes ...

This Kumiki style wooden puzzle toy dates back to the 1930's. It's a fight to take a part and put back together. The airplane puzzle's propeller turns and the wheels roll. This is a great puzzle for kids because they gravitate to it. Kumiki is a Japanese word that means to join wood together. In the puzzle business it means that the wood puzzle is in a familiar shape like an airplane, an elephant or even a gun. Puzzle Name: Airplane Difficulty Level: 2 about difficulty Approximate Size: 6" wing span and 6.5" long about sizes If you like this puzzle, you may also like: Our Gun Puzzle Our Boat Puzzles, both Big and Small...

These notched sticks make up a 2x2x2 Burr puzzle. Burr puzzles can have hundreds of internal cuts and still "notch" together to form the X-Y-Z axis shape you see in the picture. This Burr will come apart relatively easily, but getting the pieces back together is quite another story. The All Star Burr is a great value and quite a popular brain teaser. All Star Burr Difficulty Level: 3 about difficulty Approximate Size: 3 x 3 x 3 about sizes Check out our other Burr puzzles: 6x6x6 Burr Dragon Burr Would Not Wood Knott Wood Knott Try This ...

This handcrafted box is a substantial size. The seams are well hidden and the wood-work is amazingly intricate.These are all from the studio of Hiroyuki Oka, are of excellent quality finish and movement and come in an attractive box. They have the craftsman's (Mr Oka) Hanko stamped on the inside of the lid. Highly recommended. About Puzzle Boxes: Not just puzzles, these trick boxes are works of art created by a small group of master craftsmen in the Hakone-Odawara region of Japan. Once you start to study them beyond their striking beauty, you see that there is no apparent lid and seemingly no way to open them. However, careful investigation reveals that its surface has several movable pieces. The fits are incredibly precise, but you can slide them in various sequences. Unless a...

Count your blessings indeed if you can solve this brain teaser without the instructions! A particularly high quality and complex wooden puzzle, the blessing cube is a sequential locking cube with smooth edges. Puzzle Name: Blessing Cube Difficulty Level: 4 about difficulty Approximate Size: 2.5 x 2.5 x 2.5 about sizes ...

This classic string puzzle will securely "lock" a beer bottle or similar bottle into place so that it can't be opened until you solve the puzzle. We recommend trying to solve this one before you start drinking! Excellent price for a high quality unit. Assorted string colors (white or dark brown). Knowing that most people will buy this to put a gift bottle in or to place on their home bar with a bottle, there are very clear instructions included on how to get the bottle in place. Note that you can use bottles of various heights and that the string is easily adjusted to accommodate any bottle that will fit in the base. Puzzle Name: Beer Lock Down Difficulty Level: 3 about difficulty Approximate Size: 3.25 x 3.25 x adjustable height, interior dimension fits to a 12 ...