help

local mouse = game.Players.LocalPlayer:GetMouse()
local me = game.Players.LocalPlayer.Character
local keysDown = {}
mouse.KeyDown:connect(function(key)
        keysDown[key] = true

        if key == "f" then
local p1=Instance.new("Part",game.Players.LocalPlayer.Character)
p1.CanCollide=false
p1.CFrame=game.Players.LocalPlayer.Character.Torso.CFrame *CFrame.new(0,0,0)
p1.Material = "Neon"
p1.BrickColor=BrickColor.Red()
p1.Anchored=true
local p2= Instance.new("PointLight",p1)
local p3=Instance.new("FileMesh",p1)
p3.MeshId="http://www.roblox.com/Asset/?id=9982590"
p1.Transparency=.5
local p4=Instance.new("Part",game.Players.LocalPlayer.Character)
p4.Shape = "Ball"
p4.Material="Neon"
p4.CanCollide=false
p4.BrickColor=BrickColor.Yellow()
p4.CFrame=game.Players.LocalPlayer.Character.Torso.CFrame *CFrame.new(0,0,0)
p4.Anchored=true
local wd=function()
	local zw = Instance.new("Weld",game.Players.LocalPlayer.Character)
	zw.Part0=game.Players.LocalPlayer.Character.Torso
	zw.Part1=p1
	zw.C0 = CFrame.new(0,0,0)
	zw.C1 = CFrame.new(0,0,0)

end
wd()
while script.Disabled==false do
	for lh=1,15 do
	p4.Size = Vector3.new(lh,lh,lh)
	p3.Scale = Vector3.new(lh,lh,lh)
	wait(.05)
	if p3.Scale==Vector3.new(lh,lh,lh) then
		for z=15,1 do
			p4.Size = Vector3.new(z,z,z)
			p3.Scale = Vector3.new(z,z,z)
		wait(.5)
		end
	end
		end
end
wait(3)
script.Disabled=true
	end
end)