This is brilliant. Use post-it tabs to create a seating chart. Much easier than writing, erasing, rewriting, etc!
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Learn how to make the easiest wedding seating chart ever!
Paint a pinboard with chalkboard paint and make a sweet seating chart (though i would use cooler cards...)
Flexible seating chart: Make last-minute changes easy and less stressful by writing guests' names on these thin adhesive strips (or cut-up sticky notes). To rearrange people in a pinch, create color-coded groups, such as bride's family, groom's family, friends, and kids.