Challenge yourself with the Twisted Wire Puzzle Set of 6! This set includes a grand total of six interlocking puzzles for hours of brain-busting fun! Each puzzle is made of sturdy metal, so don't try to force them - the only way to take these pieces apart is to gently slide them into the right position. Then, you can put them back together again - sometimes the hardest part! Twisted Wire Puzzle Set of 6 comes with two puzzles in each difficulty of easy, medium, and hard.