Command Block Bombs

summon falling_block ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:falling_block,Block:redstone_block,Time:1,Passengers:[{id:falling_block,Block:activator_rail,Time:1,Passengers:[{id:commandblock_minecart,Command:"gamerule commandBlockOutput false"},{id:commandblock_minecart,Command:"fill ~2 ~-3 ~-2 ~8 ~-1 ~2 stained_hardened_clay 1 hollow"},{id:commandblock_minecart,Command:"fill ~2 ~-2 ~-2 ~8 ~-2 ~2 stained_glass 3 0 stained_hardened_clay"},{id:commandblock_minecart,Command:"scoreboard objectives add bomb dummy"},{id:commandblock_minecart,Command:"scoreboard objectives add explode dummy"},{id:commandblock_minecart,Command:"fill ~3 ~-2 ~-1 ~7 ~-2 ~1 chain_command_block 5"},{id:commandblock_minecart,Command:"setblock ~3 ~-2 ~ chain_command_block 3"},{id:commandblock_minecart,Command:"fill ~7 ~-2 ~ ~4 ~-2 ~ chain_command_block 4"},{id:commandblock_minecart,Command:"setblock ~7 ~-2 ~-1 chain_command_block 3"},{id:commandblock_minecart,Command:"setblock ~3 ~-2 ~-1 repeating_command_block 5"},{id:commandblock_minecart,Command:"blockdata ~4 ~-2 ~1 {auto:1,Command:\"kill @e[score_explode_min=505]\"}"},{id:commandblock_minecart,Command:"blockdata ~3 ~-2 ~1 {auto:1,Command:\"execute @e[score_explode_min=500] ~ ~ ~ summon tnt\"}"},{id:commandblock_minecart,Command:"blockdata ~3 ~-2 ~ {auto:1,Command:\"scoreboard players add @e[name=Bomb] explode 1\"}"},{id:commandblock_minecart,Command:"blockdata ~4 ~-2 ~ {auto:1,Command:\"tp @e[name=Bomb] ~ ~ ~ ~3 ~\"}"},{id:commandblock_minecart,Command:"blockdata ~5 ~-2 ~ {auto:1,Command:\"kill @e[name=Bomb,type=Zombie]\"}"},{id:commandblock_minecart,Command:"blockdata ~6 ~-2 ~ {auto:1,Command:\"execute @e[name=Bomb,type=Zombie] ~ ~ ~ /summon armor_stand ~ ~-0.45 ~ {Invisible:1b,Small:1b,ArmorItems:[{},{},{},{id:\\\"tnt\\\",Count:1b}],HandItems:[{},{}],CustomName:\\\"Bomb\\\",DisabledSlots:7967,Pose:{Head:[81f,0f,0f]}}\"}"},{id:commandblock_minecart,Command:"blockdata ~7 ~-2 ~ {auto:1,Command:\"/execute @e[type=Item,score_bomb_min=1,score_bomb=1] ~ ~ ~ execute @e[type=Item,score_bomb_min=2,score_bomb=2,r=1] ~ ~ ~ kill @e[type=Item,score_bomb_min=1,score_bomb=2,r=2]\"}"},{id:commandblock_minecart,Command:"blockdata ~7 ~-2 ~-1 {auto:1,Command:\"/execute @e[type=Item,score_bomb_min=1,score_bomb=1] ~ ~ ~ execute @e[type=Item,score_bomb_min=2,score_bomb=2,r=1] ~ ~ ~ summon item ~ ~ ~ {Motion:[0.0,4.0,0.0],Item:{id:\\\"minecraft:spawn_egg\\\",Damage:54,Count:1b,tag:{display:{Name:\\\"Bomb\\\",Lore:[\\\"Place to spawn a bomb\\\"]},EntityTag:{id:\\\"minecraft:zombie\\\"}}}}\"}"},{id:commandblock_minecart,Command:"blockdata ~6 ~-2 ~-1 {auto:1,Command:\"/execute @e[type=Item,score_bomb_min=1,score_bomb=1] ~ ~ ~ execute @e[type=Item,score_bomb_min=2,score_bomb=2,r=1] ~ ~ ~ playsound block.anvil.use master @a ~ ~ ~ 10 1\"}"},{id:commandblock_minecart,Command:"blockdata ~5 ~-2 ~-1 {auto:1,Command:\"/execute @e[type=Item,score_bomb_min=1,score_bomb=1] ~ ~ ~ execute @e[type=Item,score_bomb_min=2,score_bomb=2,r=1] ~ ~ ~ particle endRod ~ ~.4 ~ .1 .1 .1 .1 30 force\"}"},{id:commandblock_minecart,Command:"blockdata ~4 ~-2 ~-1 {auto:1,Command:\"/scoreboard players set @e[type=Item] bomb 2 {OnGround:1b,Item:{id:\\\"minecraft:gunpowder\\\",Count:8b}}\"}"},{id:commandblock_minecart,Command:"blockdata ~3 ~-2 ~-1 {auto:1,Command:\"/scoreboard players set @e[type=Item] bomb 1 {OnGround:1b,Item:{id:\\\"minecraft:tnt\\\",Count:5b}}\"}"},{id:commandblock_minecart,Command:"setblock ~ ~ ~1 command_block 0 0 {Command:\"fill ~ ~-3 ~-1 ~ ~ ~ air\"}"},{id:commandblock_minecart,Command:"setblock ~ ~-1 ~1 redstone_block"},{id:commandblock_minecart,Command:"kill @e[type=commandblock_minecart,r=1]"}]}]}]}