The Boob Cube is the logic puzzle for the rest of us. Like other famous logic puzzles, it can take on a preposterously large number of permutations: 4. This is a number like 87 and 103, but not exactly. The Boob Cube will keep you wondering for a long time. Perfect gift for anyone who is very smart– your boss, your spouse, and your “favorite” teachers. Great for puzzle lovers, puzzle haters, puzzle debaters. You will win every white elephant gift exchange forever. Comes with solution manual….