?`~Launch Pad Help~`?

Okay, what I'm trying to do is make one of those Hunger Games launch pads, I've tried so many things but the platform will not go back down to it's starting position. Does anybody know why or what I can add to make the script successful?

This first script works going up, but it does not come back down.

local deb = false

script.Parent.Touched:connect(function(part)
if deb then return end
deb = true
local h = part.Parent:FindFirstChild("Humanoid")
if h~=nil then
for i = 1, 445 do 
wait(0.01)
script.Parent.CFrame = CFrame.new((script.Parent.CFrame.x), (script.Parent.CFrame.y+0.1), (script.Parent.CFrame.z))
end
wait(2)
end
end)

I've tried adding to the script, like so:' This is the second half of the same script, I just added to it.

script.Parent.CFrame = CFrame.new((script.Parent.CFrame.x), (script.Parent.CFrame.y+0.1), (script.Parent.CFrame.z))
end
wait(2)
script.Parent.CFrame = CFrame.new((script.Parent.CFrame.x), (script.Parent.CFrame.y-0.1), (script.Parent.CFrame.z))
wait(2)
end
end)

But it's not working, any ideas?

script.Parent.Touched:Connect(function(hit)
	if hit.Parent:FindFirstChild("Humanoid") then
		hit.Parent.JumpPower = PUTAMOUNTHERE
		hit.Parent.Jump = true
		wait(1)
		hit.Parent.JumpPower = 50
		hit.Parent.Jump = false
	end
end)