I don’t talk about grammar on people’s posts, but since your link is more like a commercial, you might fix this bit: “The kid's who helped us with this one afternoon were awesome! 😄 Thanks SVMS kids! You are the best!”
No apostrophe for plural kids. Also it’s just a confusing sentence. I read it a couple times before I got your meaning.
The kids who helped us with this one... no. One day were awesome... huh? Oh, I see. The kids who helped us do this - in one day - were awesome! Got it.