The GAA Activity Planner provides lots of options for drills and games: https://learning.gaa.ie/planner/

U6 football drills

https://gaelicdrills.com/category/u6-drills/

Hurling and Camogie

Tramore GAA have some great YouTube videos on the basic skills of hurling and camogie:

 

Camogie : Complete Pathway.doc (live.com)