function scan(target)
  local children = target:GetChildren()
  local booleanValue = false
  if #children ~= nil then
      for i = 1, #children do
        local child = children[i]
        if child.className == "FileMesh" or child.className == "SpecialMesh" or child.className == "CylinderMesh" or child.className == "BlockMesh" then
            booleanValue = true
        end
      end
  end
  return booleanValue
end

local children = script.Parent:GetChildren()
for i = 1, #children do
  local child = children[i]
  if (child.className == "Part") and (child.Shape ~= "Ball") and (child.Shape ~= "Cylinder") and scan(child) == false then
      child.BackSurface = "Weld"
      child.BottomSurface = "Weld"
      child.FrontSurface = "Weld"
      child.LeftSurface = "Weld"
      child.RightSurface = "Weld"
      child.TopSurface = "Weld"
      local mesh = Instance.new("BlockMesh", child)
  end
  if (child.className == "Seat" or child.className == "VehicleSeat") and scan(child) == false then
      child.BackSurface = "Weld"
      child.BottomSurface = "Weld"
      child.FrontSurface = "Weld"
      child.LeftSurface = "Weld"
      child.RightSurface = "Weld"
      child.TopSurface = "Weld"
      local mesh = Instance.new("BlockMesh", child)
  end
end
print("Process Complete.  Map == 'NXT'")