From the Christmas Party Supply Collection. Christmas Light Bulb Cupcake Rings. A classic representation of Christmas, these beloved Christmas light bulbs are available in blue, yellow, green, and red hues to accent your creations. Although they are cupcake rings, these would also be great in party treat bags, costumes, or to add cheer on your hands for Christmas morning. Measures approximately 2 1/2". Includes 12 rings in a random assortment of the colors shown. Not recommended for children under 3 years of age.