Also on these boards
Where have you been stationed? This would be a great visual to show the children that yes we move a lot, but we are still the same family.
hand painted Texas state outline with chevron background 11X14 canvas, customizable. $22.00, via Etsy.
DIY sewn maps - collage of the places you're from/lived/live ... I don't think four pictures would cut if for us :)