[Solved] I have working script but when i changed to LocalScript it wont work (?)

MoveTo Script:

local NPC = script.Parent
local part1 = game.Workspace.Part1

while true do   
    NPC.Humanoid:MoveTo(part1.Position)     
    wait(0.5)
end

Touching Teleport & Killing:

local dum = game.Workspace.Dummy
game.Workspace.Dummy.Hitbox.Touched:Connect(function(hit)
    if game.Players:GetPlayerFromCharacter(hit.Parent) then
        script.Parent.Parent:SetPrimaryPartCFrame(CFrame.new(0,0,0))
        hit.Parent.Humanoid.Health = 0 
    end         
end)    

Basic Animation:

local animation = script:WaitForChild('Animation')
local humanoid = script.Parent:WaitForChild('Humanoid')
local dance = humanoid:LoadAnimation(animation)
dance:Play()

while wait(0.5) do
    dance:Play()
end

These are all of my codes, they work well they have no problem until i changed to a LocalScript. Should i do other stuff to convert to LocalScript or anything ? What should i do or what tutorials i need to watch ?