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Tip of the Day: If you have kids attending your wedding, set up a kids' VIP lounge at your reception. Hire a babysitter to work on fun activities with them, such as an "I Spy" photo challenge for the older kids (provide a list of snapshots they must take) and coloring books for the younger ones. Provide kid-friendly coordinated seating (such as beanbag chairs or low couches) for a true "lounge" feel.
Plus, check out 10 Ways to Make Your Wedding More Kid-Friendly for more ideas.