Cake Fountain

https://www.bem.ca/en/product-category/consumer-fireworks/cake-fountain-consumer-fireworks/

Especially designed to decorate birthday cakes, the Cake Fountain emits, during 45 to 50 seconds, a gold pyrotechnic fountain. There is no residue on the cake, practically no smoke and more importantly, the Cake Fountain does not contain any toxic chemical. 45 cm long.