Salt Dough Dinosaur Bone Dig 🦖 I painted a T-Rex skeleton on cardboard and covered the painting with a sheet of parchment paper. I shaped salt dough into similar bone shapes as the painting. Then, I baked the bones in the oven (still on the parchment paper) at 200F for a couple of hours. After the bones were solid, I hid them in a container of sand and let the girls dig them out and put the skeleton back together! To make the salt dough combine 1 cup of flour, 1/2 cup of salt, and 1/2 cup of wa