This firework contains 4 individual fireworks that you have to join the fuses together. When you have joined the fuses together you only have to light one fuse for a display lasting almost 4 minutes.
Well simply the biggest firework that you can buy. The Grand Slam is just a huge hulk lasting almost 4 minutes long! Entertaining from start to finish, if you want the ultimate display in a box then look no further.
Grand Slam is a monster 4 fireworks which can be fired individually or linked together to make one huge firework with a total of 306 shots.
Just light it once, stand back and watch the sky get filled with noise and colour. Oh and did we mention that the finale cake in this box is none other than the award winning, best seller HERCULES.
This is the largest fused firework kit that Brothers Pyrotechnics produce. Its basicaly four fireworks in one consisting of the following.