We're always losing marker caps around here (or I'm running around retrieving caps while the kids color, blissfully unaware). Saw this solution at our local science museum:
Drill holes about 1/3 of the way into a block of sanded scrap wood. The holes should be about the same diameter as the marker caps. Place a drop of glue into each hole, and then wedge the caps, upside-down, into the holes. Once the glue dries, you have a sturdy stand for the markers, and no more @#$% caps rolling around the floor. When the markers dry out, replace only the pens.
(P. S. Hey, Crayola and other marker manufacturers! How about making one side of the markers a bit flatter so they don't roll off the table?)
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