Patent ID: 8251366

Claim:
A cylindrical puzzle mechanism comprising: a. a central shaft member; b. at least two wheels mounted on said shaft member, wherein each of said wheels is independently rotatable about said shaft member, and wherein a plurality of puzzle components is disposed along the outer circumference of each wheel; c. a cylindrical frame positioned concentrically around said wheels, wherein said frame is rotatable about said wheels and shiftable along the axial direction of said shaft member, wherein said frame comprises at least one driving element at each longitudinal end for shifting a longitudinally aligned row of puzzle components along an axial direction; d. two rotatable stoppers for preventing each of said wheels from shifting axially along said shaft, and comprising at least one track for receiving a puzzle component thereon; and, e. a cap at each end of said shaft member for preventing said stoppers from shifting axially along said shaft and for regulating the axial movement of said cylindrical frame.