The invention relates to an erasable writing board (1) comprising first and second panels (2, 3), at least one of the panels (2, 3) carrying an erasable writing surface (5), the panels ( 2, 3) being pivotally connected to each other, characterized in that the writing board (1) further comprises a bellows crosspiece (4) connected to the panels (2, 3), the bellows crosspiece (4) being configured to ability to take: - a deployed position in which the bellows crossmember (4) maintains the panels (2, 3) in the separated position positioning the writing board (1) in the easel position, and - a folded position in which the bellows crossmember (4) is folded back on itself bringing the panels (2, 3) one against the other.
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