This module emits a changing rainbow light effect when connected  into a circuit with the correct polarity (+/-).
 
Requires a minimum of 3Volts (2 batteries) to operate.
 
Fitted with a current limiting resistor for protection.
 
Ideal for use with Solar Cells or the Electricity hand crank.
 
Features securely fixed components mounted onto a sealed ABS enclosure with non slip rubber feet. 
 
Also available as a front of class magnetic demonstrator