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Masterball is a 3-D puzzle made of 58 high precision, injection molded plastic parts. The design is unique because there are no fixed segments. All of the 32 outer segments can move along both the horizontal and vertical axes.
Zurich University's Mathematics faculty has calculated that Masterball's 32 outer segments can be arranged in over 350 quadrillion possible combinations (actual figure: 355,682,548,566,633,480,192,000,000).
See what David Joyner (Assoc. Prof., Mathematics, US Naval Academy) has to say about solving Masterball at his web site.
Masterball is available in a variety of exciting styles. Try the Geomaster or rainbow (pictured above) first. It's the easiest to learn how to solve. The black and white Duomaster is next hardest, followed by the USAmaster. The picture balls, such as the Dragonmaster, Catmaster, Soccermaster, Tennismaster, Globemaster and Circusmaster are the most difficult to solve.
Follow these links to see other Masterball styles.
[ GEOMASTER ] [ DUOMASTER ] [ USAMASTER ] [ CIRCUSMASTER ]
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[ DRAGONMASTER ] [ CATMASTER ] [ TENNISMASTER ] [ SOCCERMASTER ]
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