Bubble - C7 Traditional Bubble Lights, 7-Light Set, Multicolored Lamps, Green Wire
4 Pack Replacement Bubble Lights Bulbs Red Green Yellow Orange Bubble Lights for Christmas Tree Fluid Light C7/E12 Candelabra Base Christmas Light Bulbs - Amazon.com
Silvestri Replacement Bulbs Set of 10 B4266 - 12V - New - Ballast - For Bubble | eBay