Kids Fishing Game Hook, Better Hole
I tried to print sebwieber's hook [https://www.thingiverse.com/thing:3476257] Hameçon pour enfants... but the hole didn't seem to hold or be strong enough for the children to tie some string to and use, so I tweaked the design a little adding some more support, making the hole a bit bigger.
This appeared to work well for the kids to play with.