How do tycoon devs script this?

When someone steps on a button in a tycoon this real fancy animation plays, and I was wondering how is that possible.

Here is what I mean:

In this game (Fruit Juice Tycoon) I stepped on a button and this animation plays like it is building the wall.

It’s simple. They just used Tweens

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Oh ok ye that makes sense. I forgot you could use tweens like that.