Includes 4 magnesium electrodes, 2 Iron electrodes, one steel wool, light base, light bulb, connecting wires and super bright LED.

You will need additional materials such as a plastic container and wooden base (optional). 

Hazards: Magnesium is a flammable metal. Remaining salt water may contain hazardous materials. Avoid eye contact and skin contact with the remaining saltwater.

The Long Life version of this kit is also available with part number AIRBATX.