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Would someone mind telling me how to do this? Basically I want something to collide with something else and it adds a variable. After the variable reach a certain number, it creates a block, stops spinning something. etc.

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Scene.my.num > x ? {Spawn box} : {}

X is any number
Spawn box is whatever spawn box script you would use

Easy, I'll show you how.

What you've described is a perfect If Statement

{}?{}:{}

And if Statement can be sumarized in english pretty well

{Scene.my.variable == 5}?{scene.my.example = 6}:{scene.my.example = 0}
If scene.my.variable is equal to 5 then make scene.my.example equal 6 otherwise scene.my.example = 0

So lets say the number you want to reach is 10
{scene.my. Variable == 5}

And what you want to happen is for a block to spawn.
?{Scene.addbox({size := [1,2]; pos := e.pos; color := [0,0,0,1]})}

Otherwise Do nothing :{}

All up you get

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{Scene.my.variable == 5}?{Scene.addbox({size := [1,2]; pos := e.pos; color := [0,0,0,1]})}:{}

I trust you understand creating and using variable.

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(e)=>{
    sim.time >= 5 ? {         Scene.addbox({             size := [1, 2];             collideSet := 0;             pos := e.pos;             color := [0.3, 0.3, 0.3, 1]         })     } : {} }

this will spawn a box after the simulation have been activated for 5 seconds.
Hope this helped