The LED Lantern Posts Pack is part of the Castle Builder System. It is made of "Dwarvenite" and includes some metal parts. Some parts have LED circuitry (switch, battery, and socket) to support LED lighting attachments. Some parts lighted by an LED. This item was initially available as an add-on to a pledge level during the Castle Builder System Kickstarter. The item comes in both painted and unpainted versions.
The LED Lantern Posts Pack comes with these 8 pieces:
(4) LED Lantern
(4) LED Socket Pillar