Thank you so much for volunteering to coach youth volleyball. We could not do this without you. Below are some coaching resources for you to use.
Instagram Page - Premier Academy - this is a great page that offers a lot of good youth volleyball drills. If you click on the Peanuts and Minis, it has more specific drills for youth.
Serving drills for beginners
Serving - Wall serving progression
Control passing drills - very good, and should be pretty fun.