A favorite puzzle for generations\, this faithful reproduction of the pocket-sized puzzle classic is constructed of smooth polished steel and decorative enamel. Scramble the numbers\ then attempt to slide the pieces back in numerical order. A perfect and lasting gift that goes anywhere—to keep minds and hands of (almost) all ages happily occupied. Instructions and solutions are provided to guide your game play."
31 Challenges. Instruction booklet with solutions. Leatherette travel case. Single player. Ages 14 to adult.