The King Snake is a fearsome creature... 4x4x4 cube means 64 twisting and turning blocks. Your goal is to tame them back to a cube. Its a hard level 5 brain teaser with a good solution time of 4 hours. (few will accomplish this). This puzzles stays in 1 piece, so no fear of losing pieces. Edges of each cube are beveled on this model, so it has a nice look and feel. Comes with copyrighted instructions. Two possible solutions.