| 摘要 |
A portable display device for displaying educational material or student's work comprising a plurality of panels, each panel separated from the next adjacent panel by a score line to permit relative movement between adjacent panels, each panel comprising a base portion including a first and second corrugated substantially rigid section separated by a substantially rigid member and a writing surface adhered to the outer surface of the first corrugated substantially rigid section, the score line formed between adjacent panels extending entirely through the second corrugated substantially rigid section and a portion of the first corrugated substantially rigid section such that adjacent panels may be folded relative to each other for storage and transport or extended relative to each other for display.
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