Image Item No. Description  54930c02  Electric, Light Brick 2 x 3 x 1 1/3 with Trans-Clear Top and Yellow LED Light (Glows Orange) Catalog: Parts: Electric, Light & Sound  61930c01  Electric, Light Unit Power Functions with Black PF Connector Lead Catalog: Parts: Electric, Light & Sound  55206c03  Electric, Sound Brick 2 x 4 x 2 with Trans-Clear Top and Klaxon Alarm Sound Catalog: Parts: Electric, Light & Sound