12.)
Reconnect the pillars underneath the roof section before reconnecting this
whole section back to the base plate and top of the first floor ensuring the 15cm
connecting cable and 2x White 30cm Bit Lights are laid out toward the inside of
the building.
Connect the 2x White 30cm Bit Lights and 15cm Connecting Cable to the next
ports along the 12-port Expansion Board (next to the USB Power Cable). Turn
ON the USB Power Bank to test the spot lights and strip lights are working OK.