How to create this "Laser Pulse"?

Currently I am making an obby and I want to make something like the “Laser Pulse” seen in World’s Hardest Obby

I don’t know if that is what you call this, or if it has a name but i basically just mean whats shown in this video
robloxapp-20241218-1537158.wmv (1.0 MB)

im going to try and describe this the best i can, imagine a circular hollow laser (or ig just kill brick but u get the idea), and it like moves outwards towards a certain point then resets.

sorry if this was confusing idk the right terms but yeah any help would be appreciated.

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Tweenservice. please look at tweenservice, specifically size and transparency property.
And I assume touched if you touch it youll take damage or smt.

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how new are you to scripting?
my answer will vary off of that

im like beginner - intermediate