Growth chart kit. This is such a sweet idea. jute (or starched ribbon) with a dowel & ribbon for hanging, bunch of safety pins and 2 sets of tags. Hang the growth chart off the ground and start measuring :) Maybe mark off feet on the chart with paint?
Super helpful size chart for children preemie to 10 yrs. Includes things such as height, chest, inseam, etc as standards for each size! found here: http://www.knotions.com/resources/standard_measurements/children's_measurements.aspx