All about my invention
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This invention solves the problem of misplaced markers, chalk,
and erasers.
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It has 2 kinds of erasers, 2 whiteboard erasers, and 2 chalkboard
erasers.
You have to rub over the board to erase your writing.
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The materials
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½ inch PVC pipe
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2 pieces of chalk
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2 chalkboard erasers
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2 whiteboard
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1 dry erase marker
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6 ½ inch “T’s”
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2 ½ elbows, 2 stoppers
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8 straps
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16 screws
Black paint
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