Craft-able RV in Minecraft

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-2 ~8 ~-1 ~2 quartz_block 0 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~-2 ~2 glass_pane 0 replace quartz_block"},{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/tellraw @p [\\\\\\\"\\\\\\\",{\\\\\\\"text\\\\\\\":\\\\\\\"Throw \\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\" 6 iron blocks, 16 redstone, and a Minecart \\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"green\\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\" on the ground together to craft an RV \\\\\\\\n \\\\\\\\n The RV vill spawn Facing positive X\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"none\\\\\\\"}]\\\"}}",Text2:"{\\\"text\\\":\\\"Crafting\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text2:"{\\\"text\\\":\\\"Remove\\\",\\\"color\\\":\\\"black\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-2 ~7 ~1 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"kill @e[name=SpawnRV]"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[name=SpawnRV] ~ ~ ~ /setblock ~6 ~ ~-2 coal_block"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[name=SpawnRV] ~ ~ ~ /setblock ~6 ~ ~2 coal_block"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/execute @e[name=SpawnRV] ~ ~ ~ /setblock ~1 ~ ~-2 coal_block"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[name=SpawnRV] ~ ~ ~ /setblock ~1 ~ ~2 coal_block"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[name=SpawnRV] ~ ~ ~ /fill ~8 ~3 ~2 ~8 ~2 ~-2 glass_pane 0 hollow"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[name=SpawnRV] ~ ~ ~ /fill ~8 ~ ~2 ~ ~ ~-2 stone_slab 8 hollow"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[name=SpawnRV] ~ ~ ~ /fill ~8 ~5 ~2 ~ ~ ~-2 quartz_block 0 hollow"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"/execute @e[tag=RVIron] ~ ~ ~ /execute @e[tag=RVRed,r=1] ~ ~ ~ /execute @e[tag=RVWheel,r=1] ~ ~ ~ kill @e[type=Item,r=1,c=3]"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=RVIron] ~ ~ ~ /execute @e[tag=RVRed,r=1] ~ ~ ~ /execute @e[tag=RVWheel,r=1] ~ ~ ~ /summon Item ~ ~1 ~ {CustomName:\\\"RV\\\",CustomNameVisible:1,Motion:[0.0,0.4,0.0],Item:{id:spawn_egg,Damage:50,Count:1,tag:{ench:[],display:{Name:\\\"RV\\\"},EntityTag:{id:Ghast,NoAI:1,DeathLootTable:\\\"\\\",CustomName:SpawnRV}}}}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add RVWheel {Item:{id:minecraft:minecart,Count:1b}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add RVRed {Item:{id:minecraft:redstone,Count:16b}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add RVIron {Item:{id:minecraft:iron_block,Count:6b}}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}