Most locks unlock with either a few turns of a dial, or inserting a key. But the Schloss 250 is a lock puzzle that requires 250+ moves in order to open its hasp. The solution is relatively simple once you get it, but quite time consuming. The Generation Lock is even more challenging.
Redditor eames_era_fo_life shows of a cool 3D printed object – in the form of a Yoshimoto Cube – one of those hinged playthings that can be flipped inside-out on itself. The most impressive part – it was printed entirely as a single part. STL file available here.
There are few jigsaw puzzles that are more difficult than the 33,600 piece set called Wildlife. But to make it even trickier, the folks behind this video clip put the puzzle together in the most awesome way possible – played out as a series of classic video games.
Nervous System’s laser-cut birch plywood jigsaw puzzle has “no fixed shape, no starting point, and no edges.” This design allows for thousands of different shapes to be created from the same pieces. This special edition has 133pcs., including some space-themed ones.
Kagen Schaefer makes complex wooden puzzles. One of them is a desk that has over 20 puzzles and hidden compartments, which when solved give you pieces of sheet music. Put that together, play the notes on the built-in pipe organ and you’ll open a final secret drawer.