Slow Then Go is a multi shot cake by Celtic Fireworks. Cake / Barrage from Celtic Fireworks called Slow Then Go. Just as the name suggests, this cake start slow running from left to right with crackling tails, then it goes wild! Running from left to right fast, it throws up more crackling tails with multicolour popping crossettes to a big fanned finale. Great fun! Contact the Edinburgh Fireworks Store team if you have any questions on Slow Then Go by Celtic Fireworks.