Indoor Activities for Kids: Homemade Lava Lamps. Vegetable oil, a about of the water bottle, then water. 10 drops of food coloring. Then take a alkaseltzer tab and break it into 4 pieces. Drop one in at a time and wait for each to dissove!
Experimentos para niños: Capilaridad y colores | Aprender manualidades es facilisimo.com
Science project AND balloons for a party. =) Mom to 2 Posh Lil Divas: Blow It Up! Exploring Gas with Balloons, Baking Soda & Vinegar