Nintendo tumbler puzzle 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 with a black plastic "frame". The frame consists of upper and lower discs that are joined together through the middle of the cylinder. The top and bottom levels of
3-D Man of a normal human being. In addition, 3-D Man had the limited quasi-telepathic ability to perceive the distinctive aura of the Skrull race, even when a Skrull has assumed another form. Chuck was an expert pilot and a talented football player. Hal is an experienced scientific researcher. Hal is astigmatic, and requires special glasses. A poliomyelitis victim as a child, he now requires crutches to walk. In "What If" vol. 1, #9, FBI agent Jimmy Woo brought the 3-D Man together with several other heroes, including Gorilla-Man, Human Robot, Marvel Boy, and Venus, to form the 1950s Avengers. These heroes