New dual-mold system lets you make the most realistic and accurate volcano ever.
Smithsonian Micro Volcano Science Kit Included eruption tables create accurate volcanic simulations. Kit includes 1 Volcano Base, 1 Eruption Tube, 1 Roll Plaster Strips, String and Detailed Instructions. A world of adventure, discovery and wonder!.Build and erupt a volcano with the Smithsonian Micro Volcano Science Kit! Vinegar and Baking Soda needed, not included.