Fireworks Crazy Mini is a multi shot cake by Brothers Pyrotechnics. 2 FOR £60. Cake / Barrage from Brothers Pyrotechnics called Fireworks Crazy Mini. Crackling mines at base level with gold and green crackles, golden pearls with crackles and a fast paced dragon egg finale. Contact the Edinburgh Fireworks Store team if you have any questions on Fireworks Crazy Mini by Brothers Pyrotechnics.