This looks like the all time coolest craft/science activity/gift! Make your own colorful rainbow paper with just three materials! Easy physics demonstration, art project, and science activity for kids of all ages. The Science Kiddo
Magic Milk science experiment for kids to learn about colour and basic chemical reactions. Awesome chemical reaction that can be done with all ages which makes it perfect for a recreation family center science activity.
Clouds in Jar- preschool. water with shaving cream on top (clouds) then pour colored water in a droper on top the clouds and watch as it goes thru the cloud and into the water.Good site on preschool stuff
For when they need alone time! calming jar, instead of doing a "time out" get kids to sit at the table and shake their calming jar, then they sit there until all the glitter settles . Note: Try corn syrup instead of glycerin