Another Pinner said: This kept my 2 year busy for an entire hour and my 4 year old busy for 2 hours! YAY! Drop vinegar tinted with food coloring onto a pan filled with baking soda. Sheer minutes of colorful fizziness!!... Pretty sure we will be doing this soon! GENIUS!.
Squirt Gun Science easy science for kids. Put drops of food coloring under a layer of baking soda. Fill a squirt gun with vinegar and shoot! Watch fizzie colored bubbles! FUN!