Blinds Damaged by Childcare Kids

[HappyHeartsChildCare]

Over the years, my vertical blinds have been damaged by the childcare kids. Right now, there are 8 pieces broken, and I have been using a piece of fabric...

Would it be wrong to make this a rule? I have opened my home up for kids obviously but where do you draw the line? I am so over boogers and drool getting...

[midaycare]

I have a pretty big kids library. Last count was over 1200. I have about 500 books available to the kids at all times, and the rest are out of reach....