Self-teaching book for children with an electronic device

Claim 1

A self-teaching book for children with an electronic device comprising a plurality of question pages and a plurality of electronic teaching units corresponding to said individual question pages; each of said electronic teaching units connected to at least one electronic circuit, which has at least one light circuit and one music generating circuit, wherein: a plurality of test questions are printed on said question pages and a plurality of correct and incorrect answers corresponding to said questions are provided on said electronic teaching unit; said electronic teaching unit comprises an answer sheet, at least one upper and one lower conducting layer, at least one upper and one lower insulating layer, a source layer, and a protective covering; said upper and lower insulating layers being respectively adjacent to said upper and lower conducting layers; said source layer being disposed between said upper and lower insulating layers; said lower conducting layer being disposed above and adjacent to said protective covering; a plurality of slots are arranged within said upper insulating layer to permit a contact between said upper conducting layer and said source layer at answer sites; a plurality of slots are arranged within said lower insulating layer to permit a contact between said lower conducting layer and said source layer at answer sites; each of said slots does not overlap and is positioned corresponding to respective sites of said answers; and said upper and lower conducting layers are respectively connected to said electronic circuits; and said source layer is connected to a power supply and is contactable with said conducting layers to actuate respectively said electronic circuits.