Megaruler - measure the whole family metre/6'6" long height chart. Record your family's growth, from smallest to tallest. Fold up and take it with you when you move. Fix to any wall with removable picture hangers or a nail. (can accommodate baseboards/skirting boards by angling slightly.) megarule is made from sustainable bamboo. There are subtle variations in colour across the panels, characteristic of natural bamboo.