They're a range in ages but all pretty tiny. I trust you, and if all you've got to do is help little guys not fall off stools or tip over paint jars -
I'm not really selling this as fun. But still - you'd also meet the parents, and I can promise a meal and company even if you don't show up while the sprogs are putting handprints on things.
We did a cute thing last year where they got art to copy as best they could so you'd get that for art on the walls, with the best fake gilt frames I could knock up.