Minecraft blood particles module

/summon FallingSand ~ ~1.5 ~ {Motion:[0.0d,-1.0d,0.0d],Time:1,DropItem:0,Block:redstone_block,Passengers:[
	{id:FallingSand,Time:1,DropItem:0,Block:activator_rail},
	{id:MinecartCommandBlock,Command:/scoreboard objectives add tookdamage stat.damageTaken},
	{id:MinecartCommandBlock,Command:/setblock ~ ~2 ~ repeating_command_block 1},
	{id:MinecartCommandBlock,Command:/setblock ~ ~3 ~ chain_command_block 1},
	{id:MinecartCommandBlock,Command:"/blockdata ~ ~2 ~ {Command:\"/execute @a[score_tookdamage_min=1] ~ ~ ~ /particle blockcrack ~ ~1 ~ 0.5 0.6 0.5 1 40 normal @a[score_tookdamage_min=1] 152\"}"},
	{id:MinecartCommandBlock,Command:"/blockdata ~ ~3 ~ {Command:\"/scoreboard players set @a[score_tookdamage_min=1] tookdamage 0\"}"},
	{id:MinecartCommandBlock,Command:/blockdata ~ ~2 ~ {auto:1b}},
	{id:MinecartCommandBlock,Command:/fill ~1 ~2 ~ ~1 ~3 ~ minecraft:wall_sign 5},
	{id:MinecartCommandBlock,Command:"/blockdata ~1 ~2 ~ {Text1: \"{\\\"text\\\":\\\"======================\\\",\\\"color\\\":\\\"gold\\\"}\",Text2: \"{\\\"text\\\":\\\"Click here to \\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/fill ~ ~ ~ ~-1 ~3 ~ air\\\"}}\",Text3: \"{\\\"text\\\":\\\"delete \\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/say good bye\\\"}}\",Text4: \"{\\\"text\\\":\\\"===================\\\",\\\"color\\\":\\\"gold\\\"}\"}"},
	{id:MinecartCommandBlock,Command:"/blockdata ~1 ~3 ~ {Text1: \"{\\\"text\\\":\\\"======================\\\",\\\"color\\\":\\\"gold\\\"}\",Text2: \"{\\\"text\\\":\\\"Made by:\\\",\\\"color\\\":\\\"dark_aqua\\\"}\",Text3: \"{\\\"text\\\":\\\"makkie_master\\\",\\\"color\\\":\\\"dark_green\\\"}\",Text4: \"{\\\"text\\\":\\\"===================\\\",\\\"color\\\":\\\"gold\\\"}\"}"},
	{id:MinecartCommandBlock,Command:"/tellraw @a [\"\",{\"text\":\"\\nThanks for installing the blood particals module made by: \",\"color\":\"dark_aqua\"},{\"text\":\"makkie_master\",\"color\":\"gold\"}]:\\\\\"Good bye\\\\\",\\\\\"color\\\\\":\\\\\"aqua\\\\\"}\\\"}}\",Text4: \"{\\\"text\\"},
	{id:MinecartCommandBlock,Command:setblock ~ ~-2 ~ command_block 0 replace {SuccessCount:0b,auto:1b,Command:fill ~ ~ ~ ~ ~2 ~ air}},
	{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=0]}
]}