Welcome! This is the official online shop of Hiroyuki Oka, a craftsman specializing in traditional Japanese puzzle boxes (Himitsu-Bako).
Last updated: 23 October, 2025 /
Delivery time: 3–7 business days to all countries. However, Even in countries where shipping is currently possible, there are some regions where packages still can’t be delivered. If that happens, I’ll let you know and issue a full refund (Or, in some cases, delivery may be possible with an additional shipping fee). Thank you for your understanding.
*Please note that the design of the outer case and the type of wood used may vary depending on the production lot. Also, the yosegi pattern may differ slightly from piece to piece.
