Having kids home all day right now isn’t easy, especially if you’re working remotely. And, while you have your go-to activities your child can do, you’ve suddenly got a lot of time to kill together.

There were very few things we coveted in the '90s as much as a good scratch-and-sniff sticker. The wisest among us knew you had to be conservative with all that scratching to make the smells last, and ...