Let kids discover the explosive world of tectonic movement and volcanoes with the NSI Smithsonian Giant Volcano Kit. This complete set includes a 2 build-it-yourself realistic volcanoes, accessories, and instructions. Complete educational volcano kit. Study the differences in 6 types of volcanoes. Build and erupt a 14-inch volcano. Glow-in-the-dark technology. Vinegar and baking soda required (not included).

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