I get most of my fonts from FontBundles.com since they come with a good commercial license and I just get them in bulk with the bundles. I’m kind of drowning in fonts. That said, it’s hard to pick fonts for someone else’s use, so I basically agree with @jules. Script fonts without tiny bits.
But here’s one of my favorites: https://fontbundles.net/wacaksara-co/103567-aerokids