Code (cpp):
/summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 command_block 0 replace {Command:fill ~ ~ ~1 ~2 ~ ~1 stone},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 command_block 0 replace {Command:fill ~ ~ ~-1 ~2 ~ ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 command_block 0 replace {Command:"setblock ~1 ~-1 ~2 minecraft:stone"},Riding:{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 command_block 0 replace {Command:"testfor @a {SelectedItemSlot:0,Inventory:[{Slot:0b,tag:{display:{Name:\\\"Sponge Jump\\\"}}}]}"},Riding:{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 command_block 0 replace {Command:"setblock ~1 ~ ~2 minecraft:command_block 0 replace {Command:\\\"effect @p minecraft:jump_boost 10 2\\\"}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{text:\\\"[Destroy]\\\",color:red,bold:true,underlined:true}",Text2:"{text:\\\"Machine\\\",color:dark_red}",Text4:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"fill ~ ~-2 ~-2 ~6 ~3 ~2 air\\\"}}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{text:\\\"[Give]\\\",color:blue,clickEvent:{action:\\\"run_command\\\",value:\\\"give @p sponge 1 0 {display:{Name:\\\\\\\"Sponge Jump\\\\\\\"}}\\\"}}",Text2:"{text:\\\"Item\\\",color:dark_blue}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text1:"{text:\\\"[Urgent]\\\",color:green,clickEvent:{action:\\\"run_command\\\",value:\\\"/say Take a comparator on the stone\\\"}}",Text2:"{text:\\\"Message\\\",color:dark_green,clickEvent:{action:\\\"run_command\\\",value:\\\"/say And destroy the blue clay\\\"}}"},Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-2 ~6 ~-2 ~2 stained_glass 3 replace stained_hardened_clay 3,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-3 ~-2 ~6 ~-1 ~2 stained_hardened_clay 3 hollow,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}