Three-dimensional puzzle containing moveable elements

A system comprising:

• one or more code rings, each code ring comprising one or more sides on an outer surface and one or more code ring alignment indentations on an inner surface;
• one or more inner combination rings, each inner combination ring comprising one or more inner combination ring alignment protrusions on an outer surface and a combination indentation on an inner surface;
• a first cylinder comprising one or more cylinder protrusions;
• and
• a second cylinder comprising a channel,
• wherein the first cylinder fits inside the second cylinder,
• wherein the one or more cylinder protrusions of the first cylinder extend beyond an outer diameter of the second cylinder,
• wherein the one or more code rings are disposed about the second cylinder,
• wherein the one or more cylinder protrusions of the first cylinder fit into each combination indentation on the inner surface of each of the one or more inner combination rings,
• wherein each of the one or more code ring alignment indentations receive each of the one or more inner combination ring alignment protrusions,
• wherein each inner combination ring is removable and rotatable relative to each code ring of the one or more code rings, and
• wherein the combination indentation is proximate an unlocked side of each of the one or more code rings.