Patent ID: 6926529

Claim:
A portable and unobtrusive educational apparatus which provides self-paced instruction and which is carried by a person without requiring special accommodation or space, and which may be easily and flexibly manufactured and packaged compactly, comprising the combination of: a key which is operative to open a lock and permit access which is otherwise prevented by said lock; a key ring which operatively prevents inadvertent attachment or removal of said key while operatively permitting intentional insertion or removal; a plurality of educational key tags, each one of said plurality fabricated from a durable and weather resistant planar paper and polymer laminate material having a means for attaching said tag to said key ring which is operatively prevented from inadvertent attachment or removal while operatively permitted intentional attachment or removal from said key ring, said tag additionally presenting an educational challenge displayed on a first surface and presenting an answer appropriate to said challenge, said answer normally concealed when said educational challenge is visible; wherein at least one of said plurality of educational key tags is attached to said key ring.