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
Mudwatt Classic Kit, Right or Left Handed: Fits Either Hand, track the growth of your electric bacteria colony with the blinker circuit and MudWatt Explorer App