These Roman Candles are not fireworks as you might expect - instead they are novelty candles for birthday cakes!
The candles come as a set of Roman numerals, and if you use all of them - LXXXVIII - it means 88! However you can make any number from 1 to 88. Somehow an elegant L looks so more, well, young than having 50 candles on the cake!
L is 50, X is 10, V is 5 and I is 1. You add up all the letters to get the total number. So LXI is 61. Note that the letters with a larger value are always on the left. The exception to this is when you have a smaller letter to the left of a larger letter, you subtract the smaller from the larger. So XL is 40, IV is 4, and LXXIX is 79.
So, in the worlds of the Prince song, Party like it's MCMXCIX...
Unattended candles can be dangerous. Use only with adult supervision