LEGO → System → Trains → Service Packs |
5073 Light Transmitting Elements for Trains Sets is a Trains service pack released in 1987. It is the same as 1147 2 Light Prisms, Light Prism Holder, 2 Red and 2 Yellow Light Covers, 1147 Light Prisms & Holder, Red/Yellow Light Covers and 5073 Light Transmitting Elements.