Amazing Colorflame Multicolor Happy Birthday Candles And Holders (Set Of 12) Set of 12 amazing candles burn with red, purple, green, blue, and orange flames! Includes 12 plastic holders that collect the wax so it doesn't end up on the cake. Each candle burns for 8 minutes--plenty of time to sing "Happy Birthday" and make a wish! Smokeless and non-toxic. Candles are 2" tall.