ARCHIVE – This firework is part of our firework archive and no longer available.
Grand Slam is by far the biggest firework available in the UK. 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 and a duration of three and a half minutes.
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.