As well as a Wotsit? this one's also an Impossible Object. While making the puzzle I also came up with a neat idea to see if I could make a Mobius loop out of the pieces. I did this by adding a few extra pieces to allow the twist. Not sure if this has been done before. To our best knowledge, the original of this puzzle was whittled with a pen knife (this version is individually saw cut and routed, not laser cut) and sold as tramp art in the USA during The Great Depression but it was made in Eur...