Online since 2002. The most comprehensive site for all around twisty puzzles.

Club Nintendo Star Ten Billion BarrelUpdated version of Nintendo Billion Barrel Puzzle
Crossover puzzleA puzzle back from the early 1980s produced by Nintendo. It works with intersecting plunges and polarised light.
Midi Barrel (Japanese)A japanese version of the wellknown Ten Billion Barrel

Super Mario CanSuper Mario and Yoshi sliding puzzle shaped like a can.
Ten Billion BarrelA classical japanese puzzle from the original cube craze. This entry is about the versions with Nintendo-logo.
Ten Billion Barrel - 42 mmA very small version of the ten billion barrel with key chain.

Ten Billion Barrel Key ChainThis keychain version stands at about 30 mm.

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