Hanayama and Crux Cast U-U Puzzle - Level 4 of 6 - Fairly Hard - Includes Sticker

Description

🧠 Unlock your inner strategist with the Hanayama U-U Puzzle – where complexity meets style!

The Hanayama Cast U-U Puzzle is a fairly challenging mechanical brain teaser rated 4 out of 6 in difficulty. Featuring two U-shaped metal pieces and six interlocking parts, it’s designed by Kyoo Wong to sharpen concentration and problem-solving skills. Compact and durable, it includes a collectible Crux Puzzles sticker, making it a perfect gift or desk accessory for puzzle enthusiasts aged 14 and up.