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Product Information Get a big bang out of bubbles... and a bang for your buck too! This demonstration, developed by teacher Jonathan Harger, lets you simply and easily create hydrogen- and oxygen-filled bubbles that, when ignited, pop loudly enough to grab any student’s attention. The bubbles are created electrolytically, using an easily set-up adaptation of a Hoffman apparatus (but at a fraction of the price). Includes: glass tubing, dish detergent, plastic bowl, Pyrex Erlenmeyer flask with a Twistit stopper, latex tubing, electrodes with leads, sodium carbonate, glycerin and instructions. Power supply and flame source are not included.  Tell a Friend about this item
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