Turn the top of any cake into a musical carousel with the Best Party Ever Spinning Candle Musical Cake Topper (Multi-color). So how s it work? Just light the candles and the heat from the flames makes the the carousel spin like magic. Once the carousel starts to sping the charms begin to flare out just like they do on a carnival swing ride. This cake topper even plays happy birthday while it spins. Add excitement to any cake with the Spincredible Candle!