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  • MIRAIN crowdfunding campaign begins in Taiwan. Answer a survey to receive a NT$1,000 discount

    MIRAIN crowdfunding campaign begins in Taiwan. ...

    MIRAIN crowdfunding campaign will begin in Taiwan on October 7, 2025. MIRAIN crowdfundinghttps://www.myfeel-tw.com/projects/mirain?view=project*This crowdfunding is only open to those who reside in Taiwan, and shipping is limited to Taiwan. In...

    MIRAIN crowdfunding campaign begins in Taiwan. ...

    MIRAIN crowdfunding campaign will begin in Taiwan on October 7, 2025. MIRAIN crowdfundinghttps://www.myfeel-tw.com/projects/mirain?view=project*This crowdfunding is only open to those who reside in Taiwan, and shipping is limited to Taiwan. In...

  • Changes to shipping methods and shipping fees to the United States

    Changes to shipping methods and shipping fees t...

    We would like to inform that we have changed our shipping method and shipping fees to the United States. Shipping to the United States will now be via DHL only....

    Changes to shipping methods and shipping fees t...

    We would like to inform that we have changed our shipping method and shipping fees to the United States. Shipping to the United States will now be via DHL only....

  • High-precision metal processing in Japan

    High-precision metal processing in Japan

      Japanese metalworking is highly precise by global standards, and Japanese manufacturers are responsible in large part for the precision components of automobiles, robots, electrical products, smartphones, and PCs manufactured...

    High-precision metal processing in Japan

      Japanese metalworking is highly precise by global standards, and Japanese manufacturers are responsible in large part for the precision components of automobiles, robots, electrical products, smartphones, and PCs manufactured...

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ZIREL

"Difficult Puzzles, Educational Toys"

Would you like to take on a fun challenge intended for adults ?

Try out this ultra-difficult 15-piece puzzle from a Japanese craftsmanship company that's serious about the pursuit of fun

ZIREL

MIRAIN

MIRAIN is custom made seal, signature stamp Made in Japan.

A masterpiece in which letters appear from a bare metal surface of only 19mm, and serve as a seal.

MIRAIN

Products

STORY / ZIREL

A fun challenge intended for adults

Zirel is simply unsolvable.
The solution is not included.
Zirel lets you enjoy the time spent on a challenge.
Impossible to tell the front from the back because both sides have a mirrored finish!
The pieces are irregularly shaped.
Thanks to its precision design, everything appears to fit but there is only one solution.

Zirel is made possible because of its gaps which are narrower than a single strand of hair

The strength of Iwai Press lies in its techniques to create these kinds of clearances.

These 0.002mm gaps, which cannot be seen with the naked eye, can be experienced with Zirel.

ZIREL