JETPACKS 1.9 !!!!

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 ~-1 ~8 ~-1 ~1 stained_hardened_clay 2 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-1 ~8 ~-2 ~1 stained_glass 4 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Jetpacks in only\\\",\\\"color\\\":\\\"aqua\\\",\\\"bold\\\":true,\\\"underlined\\\":true}",Text2:"{\\\"text\\\":\\\"one command\\\",\\\"color\\\":\\\"aqua\\\",\\\"bold\\\":true,\\\"underlined\\\":true}",Text3:"{\\\"text\\\":\\\"look up! Hold\\\",\\\"color\\\":\\\"aqua\\\",\\\"bold\\\":true,\\\"underlined\\\":true}",Text4:"{\\\"text\\\":\\\"shift and fly!\\\",\\\"color\\\":\\\"aqua\\\",\\\"bold\\\":true,\\\"underlined\\\":true}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Look down\\\",\\\"color\\\":\\\"gold\\\",\\\"bold\\\":true,\\\"underlined\\\":true}",Text2:"{\\\"text\\\":\\\"to fall\\\",\\\"color\\\":\\\"gold\\\",\\\"bold\\\":true,\\\"underlined\\\":true}",Text3:"{\\\"text\\\":\\\"wont kill you in\\\",\\\"color\\\":\\\"gold\\\",\\\"bold\\\":true,\\\"underlined\\\":true}",Text4:"{\\\"text\\\":\\\"survival!\\\",\\\"color\\\":\\\"gold\\\",\\\"italic\\\":true,\\\"underlined\\\":true}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"By: \\\",\\\"color\\\":\\\"gold\\\",\\\"italic\\\":true,\\\"bold\\\":true,\\\"underlined\\\":true}",Text2:"{\\\"text\\\":\\\"MasonDragutzu\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ repeating_command_block 3 replace {auto:1,Command:"effect @a 11 1 50"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"execute @a ~ ~-1 ~ /particle cloud ~ ~-1 ~ 0.2 0.2 0.2 0.2 50 force"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"scoreboard players set @a[score_boost_min=1] boost 0"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"testfor @a[score_boost_min=1]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"effect @a[score_boost_min=1,rxm=-90,rx=-90] minecraft:levitation 1 30"}},{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]}]}]}]}