Programed to flash back and forth making a realistic rail road crossing sign

This rail road crossing is created from authentic LEGO® bricks.  Included is about 12 inches of wire that can fit between or under bricks.

What is the difference between USB and Battery power?

USB Plug:

  • The usb plug must remain plugged into a power source
  • To turn lights on and off you simply plug in or unplug
  • Potential power sources include, cell phone power bank, USB wall plug, Computer USB port

 9-volt battery:

  • 9-volt battery required (not included)
  • Push button on the top to turn lights on and off

The perfect power source for USB lights!


Power your USB lights with this battery box.  Batteries not included