BePuzzled |Cylinder Hanayama Metal Brainteaser Puzzle Mensa Rated Level 4, for Ages 12 and Up

Hanayama Brain Teaser Puzzle Level 4 - Coaster

Serhiy Grabarchuk is a famous Ukrainian puzzle designer who lives in Uzhgorod. The puzzle depicted on the piece of drawing that he sent looked like a strange adornment weaved into a 'coiffure' design. If you put a glass carefully onto the completing puzzle, it becomes, indeed, a coaster. Using this when serving drinks to guests will on doubt create stimulating conversation.

Hanayama Brain Teaser Puzzle Level 4 - Donuts

Cast Donuts has beautifully shaped rings that look like 2 donuts intertwined together. Try solving the puzzle by imagining the inner structure and using each of the rings’ division lines as a hint. You will be pleasantly surprised by the unique movements needed to separate the rings. This puzzle is a masterpiece in design and concept. The theme is 'string.' The creator is Vesa Timonen from Finland.

Hanayama Brain Teaser Puzzle Level 4 - Keyhole

Here is a challenging maze. At first glance, the two pieces have simple concave and convex angles on their flat surfaces. However, when the two pieces intertwine, they take the shape of a 3D maze. You must twist and turn them around. If you rush without thinking, you will come to a dead end. Be careful as you may end up going around in circles.The theme is groove. Designed by Vesa Timonen from Finland.

Hanayama Brain Teaser Puzzle Level 4 - Marble

This puzzle has such a beautiful shape that it could easily be mistaken for a piece of jewelry. Its surface features extremely unusual cuts; actually, this marble is a puzzle that can be broken up into 4 pieces. This advanced design is the creation of Bram Cohen & Oskar Devener. If you succeed in breaking up the marble, please carefully examine the surface of the sections of each piece. The theme of this puzzle is sphere.

Hanayama Brain Teaser Puzzle Level 4 - Mobius

Have you ever heard of the Mobius strip? It is a complex surface where the front and back are indistinguishable. In this puzzle, obstacles are placed on the surface and block the way, just like a maze. As you move forward, the front becomes the back and vice versa, leaving you perplexed. The theme of the puzzle is the strip. Created by Oskar Deventer from the Netherlands.

Hanayama Brain Teaser Puzzle Level 4 - Radix

"The Radix is a puzzle known for both its monumental looks and somewhat organic styling and movement. The entire unit gives off an air of antique wisdom, the pieces joined at the base in chaotic harmony. The name comes from the mathematical term, 'radical axis,' and also means 'root,' in Latin. The concept is innovative, you might even be tempted to call it 'radical.' Whatever you call it, have fun. The key word here is 'sprout.'"

-Akio Yamamoto, 2005

Hanayama Brain Teaser Puzzle Level 4 - Twist

Using the grooves, slide the protrusions and attempt to complete this very complicated puzzle. The asymmetrical design will mesmerize you and bewilder your memory. The movement is definitely a twist.The theme for this puzzle is tangle. Designed by Oskar Deventer from the Netherlands.

Hanayama Brain Teaser Puzzle Level 4 - U & U

Two U-shaped bolts and four nuts – this looks like a combination of spare parts but looks are deceiving. This puzzle comes with a deviously hidden trick. The key to unlocking these parts is to look carefully at each part first. The theme is complexity. It was designed by Kyoo Wong.