Rainy Day Fun

How about fun science experiments for a rainy or very hot day?

We have quite a few kits to choose from in the store...

https://www.facebook.com/337070478976/photos/a.10151724519528977.1073741826.337070478976/10152986287048977/?type=1&theater

and online...

http://shop.bestteachersupply.com/index.php?route=product/category&path=52027_52031