Gender reveal ideas

Hi everyone,

I'm supposed to find out the babys gender in a few weeks. I think I will have to go alone due to the covid situation, so I was going to ask them write it down for me so me and my partner can still find out together. I'm trying to think of cute ways we can tell our families by posting something through their letter box or something along those lines. Only some of them can video call so it seems unfair to do it that way with only part of the family. Any ideas at all are welcome.. thank you 😁💓💙 xx