Tomorrow's festivities should go off with a bang... full of fireworks all around the country. The local Fire Union wants to remind you about the dangers of fireworks- so they put on a creative demonstration this morning. Channel 4's Ashley Mitchem was there to see what happens when fireworks aren't used correctly. 3 00-0430-3429:50 Nat of firework on mannequin for a few seconds52:28 Wow that was scary-- look at our mannequin here- it didn't work out so well- but what's even scarier is that this could happen to a person if fireworks aren't handled correctly.Mark Treglio, Jacksonville Association of Fire Fighters 30:39 This would be a trauma alert and a ride to Shands, you would spend some time in the trauma center and go through months of healing just for not handling fireworks properlyJacksonville Fire Rescue get about 20-30 calls pertaining to fireworks injuries on July 4th.fireworks injuries calls pertaining to fireworks injuries on July 4th. Randy Wyse, Jacksonville Association of Fire Fighters 42:32 We do a lot of runs with burn injuries explosive injuries trauma with the hands those kinds of things hands eyes, sparks in the eyes it's a very busy time for us56:59 Even simple sparklers like this one that kids play with can be dangerous44:01 if kids are going to be around that we have that adult supervision and you dispose of the fireworks in a safe way as we showed you here today by putting them in a bucket of waterJacksonville Association of Fire Fighters say there is not a RIGHT age- and that parents can make that call. 45:13 I would say at least 18 years old but I know some 30 year olds I wouldn't want to deal with fireworks and some 12 year olds who would be totally fine with it very safe. Even legal fireworks can be dangerous but a big issue is illegal fireworks. If you're caught using them it's a first degree misdemeanor and you could face up to a $1000 dollar fine.43:35 anything that actually explodes or rockets is illegalThe Jacksonville Association of Fire Fighters say they see more children injured by fireworks- and so they stress keeping your children far enough away from the fireworks and watch them at all times- even with something that seems harmless. AM C4 TLS.