Purchased new and only solved a handful of times. In great shape - basically like new. Payment in full prior to shipping. PayPal, Venmo, or Zelle accepted. Buyer pays shipping.
Full Description
https://www.puzzlemaster.ca/browse/allpuzzleboxes/puzzleboxes2/13229-first-box-sequential-discovery-puzzle
Check out my other auctions for more lock and sequential discovery puzzles.