How to do multi image sprite collision help

[67-44_28_Focus_Theerapat (Focus)]

how do i make those ball collide with alien to destroy it
i using dynamic component and want to give collided condition to desired list that collected id of image sprite

but it feel really difficult that why i want help

any suggestion pls

sorry if my english skill confused you

[67-44_28_Focus_Theerapat (Focus)]

i did this

but it still not working
can you find me what wrong in this block or provide me better block
im just newbie

[67-44_28_Focus_Theerapat (Focus)]

To be clear i have video for example of problem
I add alot of ball inside canvas but none of alien get destroy

[67-44_28_Focus_Theerapat (Focus)]

Any help please… i want to finish this biggest homework i decide to create

[67-44_28_Focus_Theerapat (Focus)]

with my classmate help now i can solve problem like this

i just need to sort non dynamic component before check component in desired list
and use “start at text” instead of “is in list? thing” in and block