Hanayama Key Puzzle - Solution & Collection

The Hanayama Key puzzle is one of the first releases by Hanayama/Kawada in 1983. The puzzle is based on an antique design that was patented in 1892.

The Goal is to untangle the two keys from each other.

You can buy the puzzle here from Amazon:

Here is the original Key patent by Herbert L. Davis:

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Shot in 4K on a Nikon ZV-1 with Rode Smart Lav+ Mic

00:00 - Overview
02:14 - Solution
04:00 - Re Assembly
04:44 - Color/Finish Variations
05:35 - Antique Key Puzzle
6:01 - Bits & Pieces - Rose Gold Version
6:12 - Gashapon Keychain
6:44 - Micro Cell Phone Strap Version
7:10 - Disney Key
8:04 - Tokyo Disneyland Key
9:27 - Off-Brand Version
9:36 -Hanayama Key II
10:34 - Hanayama Key II Mini