PUZZLE (VERSIONS) Russian patent published in 1994 - IPC

FIELD: games. SUBSTANCE: puzzle has hollow transparent case and partition mounted in the central part of the case; this partition divides the case to two parts. Partition has pipe which protrudes the partition for catching cube which has digital marks on its faces. The cube is controlled by permanent magnet which is disposed outside the case for movement. EFFECT: improved efficiency of training. 2 dwg