#scoreboard objectives add animation_timer_2 dummy
#scoreboard players set count animation_timer_2 0

function koncept:level/10/1build
function koncept:level/10/2build

execute if score count animation_timer_2 matches ..29 run scoreboard players add count animation_timer_2 1
execute if score count animation_timer_2 matches ..29 run schedule function koncept:level/10/build 2
execute if score count animation_timer_2 matches 30 run scoreboard players set count animation_timer_2 0
