Any suggestion that can make a good children activity contest for the coming christmas?

Question

Activities for children but which involves the adults/parents?

Example: a costume of any christmas icon( santa, walking xmas tree) made of indigenous materials. Creative parent to child model

Answer 1

Does it have to be an art project?

1. The most creative story about how Santa got his job.
2. The best themed decorated Xmas tree.
3. The best model of the North Pole.