100R Variable Resistor Module-(ELS-EDU1042)

Brightsparks4Kids 100R Variable Resistor Module - Individual Plug & Play circuit modules - can be used in addition to Electricity/Renewable Energy Kit Bundles, as replacements, or mix and match. Allows varying levels of electric current to flow through it depending on the position of the control knob. This module can be used as either a speed control for the motor module or as a dimmer switch for the bulb module. For best results use at least two battery cells (3V). -