Side walk painting. Mix water, corn starch and food coloring to a "paint" consistency. Pour into squeeze/spray bottles. I used a funnel to help. I had some water balloons but, they where too old and kept breaking. Only one survived. It was really fun throwing it.

Blue in squeeze bottle

Now Red in squeeze bottle

Neon Green in squirt bottle

Beautiful art work! 

I'm gonna print this as a photo 

He really enjoyed the squirt bottle. It lasted longer.