Kids are magicians at making themselves disappear — they climb into clothing racks at the mall, wander off at the park or can be hard to see in crowds of big people.

So most moms have had at least one of those moments when your heart drops to the pit of your stomach and for one terrifying instant you think your child is lost.

It's enough to drain the blood from your veins and knock your knees out from under you. Has it happened to you?