Creative Playthings Mental Blocks

“You’ll find yourself facing this puzzle time again and again, with a firm resolve to solve it, or else! Meanwhile, it will innocently grace your desk or coffee table, luring other victims. A handsome rendition of the new art-and-puzzle concept, it consists of 8 lucite cubes, each embedded with 3 colored rods. You must arrange into one cube (1 1/2″) with all rods connecting to form continuous lines.”