Easily demonstrate the principles of volcanism with a realistic model that erupts internally using a unique bottle and tube delivery system. Eruption and continuous foaming action can be controlled by hand pressure.
Other products in the category Forces of Nature:
Atlas of Weather -- Introduce your child to the wonderful world of weather
Fisher Science Education Digital Radio Atomic Wall Clock -- Never be late again - time controlled from the National Institute of Standards and Technology
Thermometer/Clock/Humidity Monitor -- Get time, temperature, and humidity simultaneously!
Fisher Science Education Products
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