Baking Soda Clay. This is like Crayola's Model Magic.it's non-elastic when wet and much "softer" when dry---that is, easy to sand smooth or to reshape, to add etchings, and possibly even to carve 1 cup corn starch 2 cups baking soda 1.25 cups cold water Non-stick pot Wooden spoon Med-large bowl (not pictured) Damp cloth, lid or plate (not pictured)
How to Make An Oversized Wood Ruler. Make 2- 1 for Sophie with dob, birth weight, height, time, etc and 1 for Peanut. Carve inch and/or foot markings with wen rotary tool? Uodate heights from past doctor checkups. Maybe buy house numbers and attach instead of painting numbers?