The story · 1990
The story of Erupt-o-Matic Volcano
The Erupt-o-Matic was the reason a hundred science fair tables looked identical. Pour in vinegar, step back and watch red foam bubble over the plastic crater. Kids reloaded it again and again until the kitchen smelled like salad dressing. It won zero ribbons but delivered countless eruptions.
Adding dish soap made the eruptions twice as foamy, a tip passed down by older siblings like ancient wisdom.





