Description:Hold TUMBLEBUG between the thumb and second finger at the point marked "A" on Fig 1, with the base resting on a firm, level, flat surface (not too slippery).Note that point A is not vertical but is slightly overbalanced toward the left. (the illustration assumes that you are right-handed).Now release TUMBLEBUG (no pushing!).If you have not solved the puzzle, it will rock down on its convex side and settle in the position shown in Fig 2.However, if you have correctly solved the puzzle...
€1.00
