With the frigid temperatures we've had outside- We decided to create an "Ice Age" excavation with some of our dinosaur bones. I like to do this activity in the summer time too, the only difference is that I have to freeze the bones in our freezer instead of outside on our porch. The first thing we did to get ready was to collect some of our dinosaur bones. You don't necessarily have to have "bones" as the children will have just as much fun digging other items out of the ice. The bones we used came from some of the excavation kits we have previously used (most of them come with a dirt or clay for you to dig through). If you dinosaur bones and you are interested in purchasing some, here is a list of some of the (affiliate link) Dinosaur Excavation Kits we have used in the past. Over at P is for Preschool, they did a similar activity but used plastic dinosaurs instead of bones, you can read more about it by clicking here. To prep for the excavation ...