Festive ceramic colors – opaque green, red, orange, white and blue bulbs pop even when the lights are off and glow richly when on. Built-in random flash – each bulb blinks at its own pace, adding lively sparkle to trees, village houses and window displays. C7 candelabra base – 7 ⁄ 16 in. E12 screw fits most holiday strings, night lights and decorative fixtures. Classic 7W 120V glow – bright enough to catch the eye yet gentle on energy use. Rated for about 1500 hours of seasonal shine. Box of 25 bulbs – plenty to refresh an entire strand or keep spares ready for years of celebrations. Give your holiday décor a dose of playful motion with ceramic multicolor blinker bulbs. Each C7 lamp is coated in a rich, opaque finish that shows vivid color by day and glows warmly by night. Inside, a simple blinking filament makes every bulb flash at random intervals, turning static light strings into a twinkling show. The 7-watt, 120-volt design screws into any E12 candelabra socket—ideal for Christmas trees, window candles, night lights and nostalgic village scenes. Packaged 25 to a box, these bulbs are an easy, cost-effective way to revive vintage strands or add movement to new displays without complicated controllers.