Hmm

local L1 = Instance.new("Model",script)
for i=1,5 do
	local Part = Instance.new("Part",L1)
	Part.Anchored = true
	Part.Position = Vector3.new(0,0.1 * i,0)
	Part.Size = Vector3.new(i,0.1,i)
end
wait(2)
while true do
	local Size = #L1:GetChildren()
	local Space = Size / 100
	print(Space)
	for i,v in pairs(L1:GetChildren()) do
		local open = game.TweenService:Create(v, TweenInfo.new(2,Enum.EasingStyle.Linear,Enum.EasingDirection.Out,0,false,0), {Position = Vector3.new(0,Space * i,0)})
		open:Play()
	end
	wait(3)
	for i,v in pairs(L1:GetChildren()) do
		local close = game.TweenService:Create(v, TweenInfo.new(2,Enum.EasingStyle.Linear,Enum.EasingDirection.Out,0,false,0), {Position = Vector3.new(0,0.1 * i,0)})
		close:Play()
	end
	wait(3)
end