Decorative wax number candles are usually about 2.95–3 inches tall, while sparkler-style metal number candles are taller, about 7 inches.
Number candles are commonly used for birthdays, anniversaries, baby showers, weddings, and other celebratory events.
Multicolor number candle packs typically include 10 candles, covering the digits 0 through 9.
Small decorative number candles measure about 2.95–3 inches and are well suited for cupcakes, muffins, and smaller cakes, though they can also be used on larger cakes.
Decorative number candles are typically made from paraffin or other waxes; sparkler-style number candles include metal components for the sparking element.
Common types include decorative wax number candles (including glow-in-the-dark options), sparkler-style number sparklers, and multicolored wax number packs that include digits 0–9.
Sparkler number candles are intended for outdoor use: ignite them with a lighter and let them sparkle until they burn out. Instructions advise waiting for the sparks to stop or submerging the spent sparkler in water to extinguish it rather than blowing it out.
Sparkler number candles are used to add a sparkling effect at milestone birthdays or anniversaries. Descriptions recommend using them outdoors, igniting with a lighter, and allowing them to sparkle until they go out on their own.