Invented by Stewart Coffin. It is his design number 25A. Check out the original patent from 1973!
This version is made from wood with rods that are 4.5" long.
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.