It's more or less medium difficulty, but your mileage may vary. A rather amusing puzzle!
Sturdy construction, solid key and locks from what I can tell.
Dimensions: 24 cm x 16 cm x 20 cm / 9.5 in x 6.3 in x 7.9 in
Buyer is responsible for delivery cost. - Do not pay until after shipment / postage cost is determined and added to invoice!