A tray of baking soda + colored vinegar = chemistry fun!
colored vinegar + a sheet pan of baking soda = fun!
Colored Vinegar & Baking Soda Experiment for Kids -- the kids will love this one!
Make lava using a tub of baking soda and colored vinegar dropped from a medicine dispenser or eye dropper.
Stuff for the home
Quick & Easy Baggie Maze (Great boredom buster!) from PowerfulMothering.com
Pan of baking soda, vinegar, and a dropper=big fun
Balloon magic with baking soda and vinegar - Gift of Curiosity
Ever notice that sometimes all it takes is a fun activity to change your kid's mood? Try this post for baking soda and colored vinegar --
Refreshing towels with vinegar and baking soda in the washing machine