Spin  5Related to the Top Spin puzzle but with 5 numbers to spin instead of 4 and numbers up to 26. Made in Taiwan.
SwitchBackA series of 8 bars with holes in them is used to move the marbles from cell to cell.
Ten billion 2/3A ten billion barrel with only two colums to push the marbles up and down.
Ten Billion Barrel X7A ten billion barrel with fourteen layers which is seven times the size of the original puzzle.

