Cube Plus Mechanical Keyboard with Box - Ergonomic Wired Gaming Keyboard for PC, Mac, Laptop - Perfect for Typing, Coding & Gaming

The eight pieces of this puzzle are painstakingly handcrafted from a rich variety of woods.  Designer Vaclav Obsivac rates the difficulty of putting them back into their wooden box once you've taken them out as 5 out of 5!  The pieces can also be used to solve several other equally fiendish shape challenges, along with some easier ones.