Nintendo tumbler puzzle as an easter egg in the video game "". In WarioWare Gold, it appears as one of the microgames, in which you need to match 4 marbles in it. Nintendo tumbler puzzle The Nintendo tumbler puzzle, also known as the "Ten Billion Barrel" in English and originally in Japanese, is a mathematical puzzle in the style of Rubik's Cube. It was invented by Gunpei Yokoi of Nintendo in 1980 and was covered by (until the patent expired in March 1995 due to non-payment of a maintenance fee). It consists of a "cylinder" of transparent plastic divided into six levels, together
Altekruse Puzzle three brothers to escape being drafted into the German army. The Altekruse puzzle has an unusual mechanical action in the first step of disassembly by which two halves move in opposition to each other, unlike the more familiar burr types that have a key piece or pieces. Depending on how it is assembled, this action can take place along one, two, or all three axes independently but not simultaneously." Altekruse Puzzle Altekruse Puzzle is a puzzle invented by Austrian inventor William Altekruse. The puzzle was first released in 1890 and has proved to be very popular ever since. The Universal