This set was a specialized "Service Pack" designed to extend the 9V electric system used in LEGO Trains and Space themes from the late 80s.
: Electricity flows through the metal strips. Ensure your plates are oriented so the "positive" and "negative" lines aren't crossed or shorted by a non-conductive standard brick.
: Over time, the metal contacts can oxidize. Gently wipe them with a microfiber cloth or a tiny amount of isopropyl alcohol to ensure a strong electrical connection.
ĐÓNG GÓP