15. An educational device for assisting in the learning of a keyboard of arbitrary format and content, comprising: a first set of rings and a second set of rings; said first set of rings are adapted to fit the four fingers of the left-hand of a learner, said first set of rings having a first set of medallions mounted thereon; said second set of rings are adapted to fit the four fingers of the right-hand of the learner, said second set of rings having a second set of medallions mounted thereon; said first set of medallions having a first set of external indicia affixed on an external movable side of said medallions, said first set of medallions having a first set of upper-internal indicia affixed on an internal movable side of said medallions, said first set of medallions having a first set of lower-internal indicia affixed on an internal non-movable side of said medallions; said second set of medallions having a second set of external indicia affixed on an external movable side of said medallions, said second set of medallions having a second set of upper-internal indicia affixed on an internal movable side of said medallions, said second set of medallions having a second set of lower-internal indicia affixed on an internal non-movable side of said medallions; tactile-visual aids showing the correspondence between said indicia of said medallions of said rings and said fingers of specific hands to be wearing said rings; said first set of external indicia affixed on said external movable side of said first set of medallions of said rings on said fingers of said left hand corresponds to specific keys to be struck by said fingers of said left hand; said second set of external indicia affixed on said external movable side of said second set of medallions of said rings on said fingers of said right hand corresponds to specific keys to be struck by said fingers of said right hand; said first set of upper-internal indicia affixed on said internal movable side of said first set of medallions of said rings on said fingers of said left hand corresponds to specific keys to be struck by said fingers of said left hand; said second set of upper-internal indicia affixed on said internal movable side of said second set of medallions of said rings on said fingers of said right hand corresponds to specific keys to be struck by said fingers of said right hand; said first set of lower-internal indicia affixed on said internal non-movable side of said medallions of said rings on said fingers of said left hand indicates the precise letters, numbers, and punctuation symbols of said keys to be struck by said fingers of said left hand; said second set of lower-internal indicia affixed on said internal non-movable side of said medallions of said rings on said fingers of said right hand indicates the precise letters, numbers, and punctuation symbols of said keys to be struck by said fingers of said right hand.
15. An educational device for assisting in the learning of a keyboard of arbitrary format and content, comprising: a first set of rings and a second set of rings; said first set of rings are adapted to fit the four fingers of the left-hand of a learner, said first set of rings having a first set of medallions mounted thereon; said second set of rings are adapted to fit the four fingers of the right-hand of the learner, said second set of rings having a second set of medallions mounted thereon; said first set of medallions having a first set of external indicia affixed on an external movable side of said medallions, said first set of medallions having a first set of upper-internal indicia affixed on an internal movable side of said medallions, said first set of medallions having a first set of lower-internal indicia affixed on an internal non-movable side of said medallions; said second set of medallions having a second set of external indicia affixed on an external movable side of said medallions, said second set of medallions having a second set of upper-internal indicia affixed on an internal movable side of said medallions, said second set of medallions having a second set of lower-internal indicia affixed on an internal non-movable side of said medallions; tactile-visual aids showing the correspondence between said indicia of said medallions of said rings and said fingers of specific hands to be wearing said rings; said first set of external indicia affixed on said external movable side of said first set of medallions of said rings on said fingers of said left hand corresponds to specific keys to be struck by said fingers of said left hand; said second set of external indicia affixed on said external movable side of said second set of medallions of said rings on said fingers of said right hand corresponds to specific keys to be struck by said fingers of said right hand; said first set of upper-internal indicia affixed on said internal movable side of said first set of medallions of said rings on said fingers of said left hand corresponds to specific keys to be struck by said fingers of said left hand; said second set of upper-internal indicia affixed on said internal movable side of said second set of medallions of said rings on said fingers of said right hand corresponds to specific keys to be struck by said fingers of said right hand; said first set of lower-internal indicia affixed on said internal non-movable side of said medallions of said rings on said fingers of said left hand indicates the precise letters, numbers, and punctuation symbols of said keys to be struck by said fingers of said left hand; said second set of lower-internal indicia affixed on said internal non-movable side of said medallions of said rings on said fingers of said right hand indicates the precise letters, numbers, and punctuation symbols of said keys to be struck by said fingers of said right hand. 17. An educational device as claimed in claim 15 wherein: said first set of external indicia of said medallions of said rings on said fingers comprise first stones which stone colors match the colors of the color-coded keys to be struck by said fingers of the left hand; said second set of external indicia of said medallions of said rings on said fingers comprise second stones which stone colors match the colors of the color-coded keys to be struck by said fingers of the right hand.