17. Make a Galaxy Slime: Make this beautiful, sparkly, stretchy slime that looks just like the swirls of a galaxy and keep your preschooler entertained for hours! (via Twodaloo)
19. Walking on Raw Eggs: This simple experiment that just goes to prove how strong an egg really is. Your kids will be amazed with what happens with they try walking on raw eggs. (via Housing a Forest)
20 Puffy Rainbow Clouds
20. Puffy Rainbow Clouds: Make these fluffy, puffy, colorful rainbow clouds with just two common ingredients for some art, sensory, and science fun in one amazing activity! (via Twodaloo)