Book with rotating device

Details Book with rotating device Book with rotating device

B - Operations, Transporting

42

D

B42D 5/00 (2006.01) B42D 1/00 (2006.01)

Patent

CA 2584156

A book with at least one rotating device that allows the user to answer various questions and check whether his responses are correct that also may be used as an entertaining or easy to use reference source.

L'invention concerne un livre muni d'au moins un dispositif rotatif qui permet à l'utilisateur de répondre à diverses questions et de vérifier si ses réponses sont correctes. Ce livre peut également être utilisé comme une source de référence récréative ou facile à utiliser.

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