Firework display!

summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:"/tellraw @p [\"\",{\"text\":\"Amazing Firworks Display, in one command. \",\"color\":\"blue\",\"bold\":true},{\"text\":\"If you're using this command: \",\"color\":\"gold\",\"bold\":true},{\"text\":\"Do not act like this is your own work.\",\"color\":\"red\",\"bold\":true,\"bold\":false},{\"text\":\"....Have fun! :D \",\"color\":\"yellow\",\"underlined\":false},{\"text\":\"Suggested by: _Duecky\",\"color\":\"green\",\"bold\":true}]",Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~-1 {Command:fill ~ ~ ~1 ~7 ~1 ~1 stone},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~1 {Command:fill ~ ~ ~-1 ~7 ~1 ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~-1 {Command:"execute @e[type=LavaSlime,name=RainbowWhistle] ~ ~ ~ summon FireworksRocketEntity ~ ~20 ~ {FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:4,Flicker:1,Trail:1,Colors:[16711680,16776968],FadeColors:[16711680,17663,1020969]}]}}}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~1 {Command:"execute @e[type=Blaze,name=HellStorm] ~ ~ ~ /summon FireworksRocketEntity ~ ~35 ~ {CustomName:\\\"Hell_Storm\\\",CustomNameVisible:1,FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:2,Trail:1,Colors:[7879301,10554914],FadeColors:[16722217,0]}]}}}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~-1 {Command:"execute @e[type=Ozelot,name=BlueSnow] ~ ~ ~ /summon FireworksRocketEntity ~ ~25 ~ {FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:1,Flicker:1,Colors:[3211242,6946750],FadeColors:[3735438,1515519]}]}}}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~1 {Command:"execute @e[type=MushroomCow,name=TheWish] ~ ~ ~ /summon FireworksRocketEntity ~ ~35 ~ {CustomName:\\\"The_Wish\\\",CustomNameVisible:1,FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:2,Flicker:1,Trail:1,Colors:[16777215,15138626,2228186],FadeColors:[16769572]}]}}}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~-1 {Command:"entitydata @e[name=RainbowWhistle,type=LavaSlime] {Invisible:1,NoAI:1}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~1 {Command:"entitydata @e[name=BlueSnow,type=Ozelot] {Invisible:1,NoAI:1}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~-1 {Command:"entitydata @e[name=TheWish,type=MushroomCow] {Invisible:1,NoAI:1}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~1 {Command:"entitydata @e[name=HellStorm,type=Blaze] {Invisible:1,NoAI:1}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-1 ~-1 {Command:"execute @e[name=Hell_Storm] ~ ~ ~4 /summon FireworksRocketEntity ~ ~1 ~ {FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:2,Flicker:1,Trail:1,Colors:[16777215,16777215,16777215],FadeColors:[0]}]}}}} "},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-1 ~1 {Command:"execute @e[name=The_Wish] ~ ~ ~ /summon FireworksRocketEntity ~ ~ ~4 {FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:4,Flicker:1,Trail:1,Colors:[0,0,0],FadeColors:[16777215]}]}}}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~9 ~-1 ~-1 {Command:"execute @e[name=Hell_Storm] ~ ~ ~-4 /summon FireworksRocketEntity ~ ~1 ~ {FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:2,Flicker:1,Trail:1,Colors:[16777215,16777215,16777215],FadeColors:[0]}]}}}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~9 ~-1 ~1 {Command:"execute @e[name=The_Wish] ~ ~ ~ /summon FireworksRocketEntity ~ ~ ~-4 {FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:4,Flicker:1,Trail:1,Colors:[0,0,0],FadeColors:[16777215]}]}}}}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~10 ~-1 ~-1 {Command:"execute @e[name=RemoveAllFireworks] ~ ~ ~ /kill @e[name=HellStorm]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~10 ~-1 ~1 {Command:"execute @e[name=RemoveAllFireworks] ~ ~ ~ /kill @e[name=RainbowWhistle]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~ ~-1 {Command:"execute @e[name=RemoveAllFireworks] ~ ~ ~ /kill @e[name=TheWish]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~ ~1 {Command:"execute @e[name=RemoveAllFireworks] ~ ~ ~ /kill @e[name=BlueSnow]"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~ ~-1 {Command:"execute @e[name=RemoveAllFireworks] ~ ~ ~ kill @e[type=Cow,name=RemoveAllFireworks]"},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~-1 ~4 ~ ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~-1 ~10 ~-1 ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~1 ~3 ~ ~1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~1 ~10 ~-1 ~1 command_block,Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~2 ~ wall_sign 4 replace {Text2:"{text:\\\"Remove mechine?\\\",color:red,bold:true,underlined:true}",Text4:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"fill ~ ~-4 ~-2 ~11 ~5 ~2 air\\\"}}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~1 ~ wall_sign 4 replace {Text2:"{text:\\\"Amazing\\\",color:gold,clickEvent:{action:\\\"run_command\\\",value:\\\"say @a is online right now\\\"}}",Text3:"{text:\\\"Fire works \\\",color:gold}",Text4:"{text:\\\"By: L0ST5ILVER\\\",color:light_purple,italic:true}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~ ~ wall_sign 4 replace {Text1:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p minecraft:spawn_egg 1 62 {display:{Name:\\\\\\\"RainbowWhistle\\\\\\\"}}\\\"}}",Text2:"{text:\\\"Get items!\\\",color:green,clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p minecraft:spawn_egg 1 98 {display:{Name:\\\\\\\"BlueSnow\\\\\\\"}}\\\"},bold:true}",Text3:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p minecraft:spawn_egg 1 61 {display:{Name:\\\\\\\"HellStorm\\\\\\\"}}\\\"}}",Text4:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p minecraft:spawn_egg 1 96 {display:{Name:\\\\\\\"TheWish\\\\\\\"}}\\\"}}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p minecraft:spawn_egg 1 92 {display:{Name:\\\\\\\"RemoveAllFireworks\\\\\\\"}}\\\"}}",Text2:"{text:\\\"Get Remover\\\",color:green,bold:true}"},Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-1 ~-2 ~11 ~ ~2 glass 0 replace gold_block 0,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-2 ~11 ~1 ~2 gold_block 0 hollow,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}