kids' stuff

Meaning

1. something that is so easy to do or understand that it is thought to be not very serious or only suitable for children

In the movies · 15

• What was Lawson doing with all this kid stuff?Captain Marvel2019
• It isn't glamorous or cool or kid stuff.Cocaine Bear2023
• He looks like a guy who might have a wife and kids and stuff?Me and You and Everyone We Know2005
• I know it's kid's stuff or whatever, but...The Fault in Our Stars2014
• I mean, do you have kids and stuff like everybody else?High Fidelity2000
• If it's kid stuff, why don't you have the kids from Detroit do it?Once Upon a Time in America1984
• I'm into romance and grown-up shit, and you guys are still into little kid stuff.Good Boys2019
• - It's so silly, it was such kid stuff. - Come on, tell me.The Swimmer1968

From the same entry

• handle with kid gloves
• a new kid on the block
• no kidding
• you're kidding
• kid around