There’s tons of YouTube videos for Halloween maker stuff. Just search for Halloween maker.

Toby Horrorboy is great:

https://youtube.com/@tobyhorrorboy

Search YouTube for “Furby Hacking”.

Buy some used Fur Real animatronic toys for a few bucks from Facebook marketplace and hack on them with your kids.

Make a spooky UFO scavenger hunt in the park with electronic gadgets.