Tweening size of a gui object does not tween it to the correct size

[emojipasta (ineternet)]

Why can’t you use callbacks?

local tweenedButtons = 0
part:TweenSize(UDim2.new(0.15, 0, 0.15, 0), "Out", "Linear", 1.5, false, function() tweenedButtons = tweenedButtons + 1 end)
--...
if tweenedButtons == 8 then --all