Up for sale here is a custom puzzle chest from David Lundell, and it is one of a kind. It is Harry Potter-themed, is quite large. It's all made of solid wood, and is quite heavy.
The rough dimensions are 24"x18"x18", with the inner dimensions being about 16"x12"x12".
A video of the solution is available by request.
Buyer to pay PP/Shipping fees, which will be calculated upon sale.