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Difficulty Level 6

Brain teasers are a fun was to keep yourself or someone else occupied as well as their brains active. Our selection of brainteasers are all different and make great gifts or stocking stuffers. These level 6 brainteasers are the hardest ones we carry. If you were looking for more easy brainteasers, make sure to check out the level 1 difficulty puzzles.

Difficulty Levels are out of 6, with 1 being the easiest and 6 being the most challenging.

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Hanayama Elk

Unit Price: $11.99

With the Hanayama Level 6 Cast Puzzle - Elk, the antlers are the key to unlocking the mystery of this 19th century British conundrum. It was discovered in Britain by Nob Yoshigahara, who brought it ac ... Read More »

Hanayma News

Unit Price: $11.99

Disassemble and Reassemble the two Puzzle parts,that is the objective of this singular metal puzzle. A word from the designer: "I came up with the idea for this puzzle when I was 19 years old. ... Read More »

Cast H&H

Unit Price: $11.99

Just as the name suggest, this puzzle shaped like the letter H is made of two pieces entwined together. At a glance, the pieces that make up the puzzle may appear to be of the exact same shape, but th ... Read More »

Cast Spiral

Unit Price: $11.99

At first glance, this puzzle by Kennet Walker of Rivermore, California doesn't seem unlockable. The five pieces, however, can most certainly be taken apart. Putting them back together, however, is ... Read More »

Cast Square

Unit Price: $11.99

This puzzle consists of 4 pieces that combine to form a square. Will you be able to take it apart. What's more, these pieces have a secret: each time their arrangement is changed when recreating t ... Read More »