Small : Chicken's eggs

/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:"/scoreboard objectives add eggRedz dummy Egg",Riding:{id:MinecartCommandBlock,Command:"/tellraw @p [\"\",{\"text\":\"Chicken's eggs\\n\",\"color\":\"gold\",\"bold\":true},{\"text\":\"by Redz\\n\",\"color\":\"gray\",\"bold\":false},{\"text\":\"Quand les poulets pondent, leurs oeufs éclosent après 5 minutes. Ces oeufs éclosent plus rapidement si ils sont couvés\",\"color\":\"none\"}]",Riding:{id:MinecartCommandBlock,Command:blockdata ~1 ~-1 ~-1 {Command:"execute @e[type=Chicken] ~ ~ ~ scoreboard players add @e[type=Item,r=1] eggRedz 1 {Item:{id:minecraft:egg}}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~-2 command_block 0 replace {Command:"scoreboard objectives remove eggRedz"},Riding:{id:MinecartCommandBlock,Command:blockdata ~1 ~-1 ~1 {Command:"scoreboard players add @e[type=Item,score_eggRedz_min=1] eggRedz 1"},Riding:{id:MinecartCommandBlock,Command:blockdata ~1 ~ ~-1 {Command:"execute @e[type=Item,score_eggRedz_min=5800] ~ ~ ~ particle cloud ~ ~ ~ 0 0 0 1"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~ ~-2 stone_button 4,Riding:{id:MinecartCommandBlock,Command:blockdata ~1 ~ ~1 {Command:"execute @e[type=Item,score_eggRedz_min=5999] ~ ~ ~ summon Chicken ~ ~ ~ {Age:-23994}"},Riding:{id:MinecartCommandBlock,Command:blockdata ~1 ~1 ~-1 {Command:"execute @e[type=Item,score_eggRedz_min=5999] ~ ~ ~ kill @e[type=Item,score_eggRedz_min=5999]"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~1 ~-2 command_block 0 replace {Command:"fill ~ ~ ~ ~ ~-3 ~3 air"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:blockdata ~1 ~-2 ~-1 {Command:fill ~ ~ ~1 ~ ~3 ~1 stone},Riding:{id:MinecartCommandBlock,Command:blockdata ~1 ~-2 ~1 {Command:fill ~ ~ ~-1 ~ ~3 ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:fill ~1 ~-2 ~-1 ~1 ~1 ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~1 ~-2 ~1 ~1 ~ ~1 command_block,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}}}}}}}}}}}}}}}}}}}}}}}