MR16 LED Light Bulbs in Red, Green & Blue from Lumilum
Amazon.com: T-SUN Blue Solar Spot Lights Outdoor, LED Solar Landscape Spotlights Waterproof Auto Turn ON/Off Solar Lights Adjustable Solar Garde Lights for Tree, Patio, Yard, Driveway, Pool Area(Blue-2 Pack) : Patio, Lawn
21W Blue Cyan 450nm~470nm~500nm LED Lamp Light Bulb PAR30 E26 E27 Plant Aquarium | eBay