I picked up a pre-assembled gingerbread house at Target last weekend and it was sitting on the kitchen counter. Everyday Cayden would ask if it was Sunday yet and if we could decorate his house.
We raided his Halloween candy stash and on a sunny afternoon we set everything out after nap. He was beyond excited to start and did such a good job with minimal candy eating during the process.
This was by far one of our favorite Christmas traditions