Electrochemical Series, Includes:15 Copper Metal Strips, 15 Zinc Metal Strips, 15 Magnesium Metal Strips, 15 Iron Metal Strips, 15 Aluminum Metal Strips, 75 Filter Paper Strips
Electrochemical Series Kit, Includes: Copper metal strips, Aluminum metal strips, Magnesium metal strips, ea EZ-Prep, Iron metal strips, Zinc metal strips, Filter paper strips, Copper sulfate, Aluminum sulfate, Magnesium sulfate, Iron sulfate, Zinc sulfate