Animation Changer

local part = game.Workspace.Part
local animation = game.Workspace.Animation
animation.AnimationId = "http://roblox.com/Asset?ID=467504759"

local Pressed = false

part.Touched:Connect(function()
 if not Pressed then
  Pressed = true
  local animationTrack = game.Workspace.NPC.Humanoid:LoadAnimation(animation)
   animationTrack:Play()
  wait(4)
  Pressed = false
 end
end)