summon falling_block ~ ~.6 ~ {Block:chain_command_block,TileEntityData:{Command:fill ~ ~ ~ ~ ~2 ~ air},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:setblock ~1 ~-2 ~ repeating_command_block 1 replace {Command:execute @a[score_snow_min=3,score_snow=3] ~ ~ ~ /particle fallingdust ~ ~10 ~ 32 8 32 0.00001 100 force @a[score_snow_min=1,score_snow=3,c=3] 80,auto:1,TrackOutput:0b}},{id:commandblock_minecart,Command:setblock ~1 ~-1 ~ chain_command_block 1 replace {Command:execute @a[score_snow_min=2,score_snow=2] ~ ~ ~ /particle fallingdust ~ ~10 ~ 16 8 16 0.00001 40 force @a[score_snow_min=2,score_snow=2,c=1] 80,auto:1,TrackOutput:0b}},{id:commandblock_minecart,Command:setblock ~1 ~ ~ chain_command_block 1 replace {Command:execute @a[score_snow_min=1,score_snow=1] ~ ~ ~ /particle fallingdust ~ ~8 ~ 8 6 8 0.00001 15 force @a[score_snow_min=1,score_snow=1,c=1] 80,auto:1,TrackOutput:0b}},{id:commandblock_minecart,Command:setblock ~1 ~1 ~ chain_command_block 1 replace {Command:/scoreboard players enable @a snow,auto:1,TrackOutput:0b}},{id:commandblock_minecart,Command:setblock ~1 ~2 ~ air},{id:commandblock_minecart,Command:/scoreboard objectives add snow trigger},{id:commandblock_minecart,Command:tellraw @a {"text":"Installed: Snow"}},{id:commandblock_minecart,Command:blockdata ~ ~-3 ~ {Command:,auto:0}},{id:commandblock_minecart,Command:setblock ~ ~-1 ~ command_block 0 1 {auto:1,Command:kill @e[type=commandblock_minecart,r=1]}}]}]}]}