Here are 3 wooden packing puzzles with varying difficulty designed and crafted by BurntOakStudios on Etsy. These puzzles have been sold out for a while and offer a nice variety of challenge.
Backwards Z - Pack the 4 pieces inside the box
Four Blocks in a Box - a pinned block packing puzzle
S and L - Pack the 7 pieces inside the box
The puzzles are listed roughly in order of difficulty as well. This, of course is my personal opinion.
Winner to pay shipping price. Shipping can range from 20 USD using National Post to 45 USD using UPS/Fedex based on region.
