I need help with my transformation local script?

When i tried to add health, maxhealth, walkspeed and jumppower, it wont work how do i fix this or is there any way for me to change the players health, max health jumppower and walkspeed then revert it back to before it was changed?

Tool = script.Parent
player = script.Parent.Parent.Parent
local mouse = player:GetMouse()

Tool.Equipped:Connect(function(mouse)
print("it works")
wait()
 mouse.Button1Down:Connect(function()
        game.Lighting["UpperTorsoParticle1"]:clone().Parent = Tool.Parent.UpperTorso

        game.Lighting ["UpperTorsoParticle2"]:clone().Parent = Tool.Parent.UpperTorso

        game.Lighting ["LowerTorsoParticle1"]:clone().Parent = Tool.Parent.LowerTorso


            Tool.Parent.Humanoid.Health + 150
            Tool.Parent.Humanoid.MaxHealth + 150
            Tool.Parent.Humanoid.JumpPower + 90
            Tool.Parent.Humanoid.WalkSpeed + 50
        print('on')
    end)
end)