Make a rainforest in a jar and watch the water cycle. I would love to do this with my grandbabies......let them take it home with them.
The Milky Way Galaxy experiment
Combine ART and SCIENCE with this fun experiment and butterfly craft! (Science for Kids: Chromatography Butterfly Craft ~ Buggy and Buddy)
Glow in the dark vinegar/baking soda experiment
Make this beautiful, sparkly, stretchy slime that looks just like the swirls of a galaxy and keep your preschooler entertained for hours!