local plr = game.Players.owner
repeat wait() until plr and plr.Character
local mouse = plr:GetMouse()
local mtarget
local down

mouse.Button1Down:connect(function()
 if mouse.Target ~= nil and mouse.Target.Locked == false and mouse.Target.Name == "Part1" or mouse.Target.Name == "Part2" then -- Change "Part1/Part2" to whatever block you want to be moved by the player.
  print(mouse.Target.Name)
  mtarget = mouse.Target
  down = true
  mouse.TargetFilter = mtarget or mouse.Target
  end
end)