The Lowell Observatory in Flagstaff, Arizona has some resources about the Great Conjunction taking place on December 21st. There is some additional information for you to share with your family and friends attached below. The last time this occurred at this close of a proximity to one another was in 1623.
https://lowell.edu/the-great-conjunction/
The Lowell Observatory will be doing a livestream of the event on December 21st at 4 pm PST if you or your family and friends would like to tune in at:
https://m.youtube.com/watch?v=XrRcfaWutLQ&feature=youtu.be