Flex your mind with the Crystal Flexi Brain Teaser! 12 translucent connected cubes can be folded in any direction. But what is the right way? With 80 challenges and 4 levels of difficulty, this puzzle will make you turn, but it's half the fun! Retail Package : 4.5" (W) x 1.5" (D) x 7.5" (H), Weight : 0.25 lb