LIONEL 394-37 ROTARY BEACON TOP / HOUSING WITH ONE CORRECT SCREW BASE TYPE 394-10 DIMPLE BULB THE 461-300  BRAND NEW PART. 

 FRAGILE PART, PLEASE DO NOT PUSH BEACON DOWN ON THE BULB WHEN INSTALLING AS IT COULD BEND OR BREAK THE SMALL PIN INSIDE TOP OF BEACON THAT SITS ON THE BULB. NO RETURN ON THIS PART.

IF YOU NEED ASSISTANCE ON HOW TO INSTALL OR GET THE 394 BEACONS TO SPIN, THERE IS A TREMENDOUS AMOUNT OF HELP ON GOOGLE FROM OWNERS OF THIS LIONEL ACCESSORY.