Are multiple tweens laggy?

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#1 
local faceLoop = {"Front","Back","Left","Right","Bottom","Top"}

local character = player.Character

for _,child in pairs(character:GetDescendants()) do
    if child:IsA("BasePart") and not(child.Name == "HumanoidRootPart") then

        for _,face in pairs(faceLoop) do
            print("decalCreated")
            local decal = coolDecal:Clone()
            decal.Face = face
            decal.Parent = child

            local tween = tweenService:Create(decal,TweenInfo.new(6),{Transparency = 0})
            tween:Play()
        end
    end
end

for each basepart in my model im cloning 6 decals and tweening each of them for a cool effect,
there are about 160 tweens going on at the same time… is that bad?

#2

No, it’s not that laggy. I can have up to 1000 tweens going up at once on my low end laptop without any problems.

#3

https://gyazo.com/ff4998cdbf8081a064e7ba39e2d23aa0

^that is what the microprofiler looks like…
i think its quite bad.