NOTE: While generally this puzzle is in very good condition, the opening mechanism is sticky. I (a non-woodworker) believe this could be solved with a bit of sanding. I can't say more without spoiling how it works.
Per the Karakuri website:
The puzzle is located in the United States, but I will ship
worldwide.
Customs forms for international shipments will reflect actual
payments.
Payments can be made through PayPal (Friends & Family preferred).
Buyer to pay shipping calculated after auction
Buyer may choose supplemental insurance at their expense.
Please wait for the updated invoice before making payment.