Ten Billion Barrel
a.k.a. Billion Barrel, Tumbler Puzzle
Patented G. Yokoi 1983, made by Nitendo.
(plastic, 3.4 inches high by 2.8 inches diameter;
left 1980, green, blue, red, orange, yellow with black balls on green, yellow, red;
right 2009, orange, yellow green, blue, red with black balls on orange, red, green;
the Yoki patent also describes the
There are 23 balls in 5 columns, 4 of each of red, orange, yellow, green, blue, where three of the columns have an extra black ball.
There are 6 rows of plastic rings around the puzzle where rows 1 and 6 cannot rotate, rows 2 and 3 rotate together, and rows 4 and 5 rotate together.
The black body that holds the balls can slide up or down 1 unit inside the rings
to shift the three longer columns.
The goal is to put each of the 5 colors in their own column, with the three black balls on top of the three longer columns.
presents a solution. Here is a view of the other side of the solved puzzle, and a view of it mixed up:
from: www.uspto.gov - patent no. 4,376,537