Looking for some help. I will be coaching a team of grade schoolers and do not want to screw it up.

I am almost certain this is not the correct sub, but I am still willing to risk it.

I have been tasked with coaching / teaching a group of 20 or so elementary school aged kiddos. It is more like a sports camp than an actual team. I should help improve skills, slight conditioning, and explain some of the nuances of the game. Do any of you have any insight or resources that could help? Sorry if this is formated wrong. Mobile user here.