This is a seven piece puzzle that creates a cube. Each puzzle piece is unique. For this puzzle there is only a single solution. There is a bottom tray that helps in the assembly of the puzzle. If you get stumped there is also a solution cube that can be printed

There are also 8 and 9 piece variations as well.

A cover has been added to keep the pieces together when not in use. The concept is very simple. Make a perfect cube with all the pieces, but that is easier said than done. These puzzles will challenge even adept puzzle enthusiasts.