I need original party ideas for a ten year old girl inexpenses, But fun?

Question

I have at least 13 children that will be there and that is only the cousins not including her friends

Answer 1

We did a sleepover.  Hot dogs,movies, popcorn, cookies and other snacks including a homemade cake decorated by the girls.  We did nails, they thought that was great.  The next morning we had pancakes and did makeup and colored hair with different shades of koolaid.

Inexpensive and lots of fun!

Answer 2

You could set your living room up like a spa. Have foot spas, places to get their nails/hair/makeup done... They will love it! =D

Answer 3

just rent a jumper for her trust me they will have fun