Delanco Snap Circuits Battery Eliminator works with all Snap Circuit kits and components.Use in conjunction with your Snap Circuit projects and replace batteries.Snap it on your Snap Circuit board wherever a battery unit is needed.Produces THREE voltages: 1.5, 3.0, 4.5 volts.Use with the following Snap Circuit Kits: SC-100, SC-300, SC-500, SC-750, SCBE-75, SCP-01, SCP-02, SCP-03, SCP-04, SCP-06, SCP-08, SC-750R, SC-500R, SC-300R, SC-100R, SCM-450, SCM-400, SCL-175.