12 Sun 28 Step Koyosegi Japanese Puzzle Box by Mr.Yamanaka — Puzzle Box World

12 Sun 28 Step Koyosegi Japanese Puzzle Box by Mr.Yamanaka

Puzzle Box World · Puzzle Box World · Secret Boxes
Who it's for: for keepers of secrets and lovers of hidden mechanisms.
How hard: Not yet Wickscored — our normalized difficulty rating lands once this object is enriched.
Where in stock: Sold out at Puzzle Box World (last seen Jun 11, 2026) — the Wick Watch flags it the moment the wick relights.
$0.00 ✦ More Secret Boxes wick out — watched

In the maker's words

OUTSIDE Dimensions * 14.4 x 10.1 x 4.7 inches INSIDE Dimensions approximately * 12.4 x 8.9 x 3.9 inches Requires 28 Steps to open. The LARGEST Puzzle Box Crafted. Will arrive with opening diagrams

More from Secret Boxes

The whole realm →