Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
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Grow a beautiful “tin-man” crystal tree by running an electric current through a solution of tin(II) chloride. Students will enjoy watching this “electric” oxidation–reduction demonstration as tin crystals are produced and then redissolved when the current is reversed.


  • Electrolysis
  • Anode vs. Cathode
  • Oxidation & Reduction