2LIT

2LIT. 2LIT is a 3d printed packing puzzle in which you must fit 5 pieces into the box.  The box features a moving door that has a clear-colored cubie affixed to the inside of it.  The door also has a one-cubie square hole on the front, which vanishes or appears depending on where the door is positioned and it lends to an elegant internal solution.  There is a bit of dexterity involved, and- 2LIT.