Multicolor Flashing Happy Birthday Cake Topper Decoration 1 Flashing Happy Birthday Cake Topper Decoration Flashing Birthday Cake Decoration measures 4.5"W x 3.5"H A fun, shimmering addition to the cake or other dessert at any adult or kids birthday party A tiny button turns this flashing decoration on to activate 3 different color-changing settings Coordinate with other birthday party decorations and party supplies from Unique