Show all Parts or Triggers

local Players = game:GetService("Players")
local Workspace = game:GetService("Workspace")
local StarterGui = game:GetService("StarterGui")
local CollectionService = game:GetService("CollectionService")

local player = Players.LocalPlayer
local mouse = player:GetMouse()

if not game.IsLoaded then game.Loaded:Wait() end

local TAG = "NeonReveal"
local isRevealed = true
local currentHighlight = nil

local function processInvisiblePart(part)
	if not part:IsA("BasePart") then return end
	if CollectionService:HasTag(part, TAG) then return end
	if part.Transparency ~= 1 then return end

	part:SetAttribute("OriginalMaterial", part.Material.Name)
	CollectionService:AddTag(part, TAG)
	
	if isRevealed then
		part.Transparency = 0.8
		part.Material = Enum.Material.Neon
	else
		part.Transparency = 1
		part.Material = Enum.Material[part:GetAttribute("OriginalMaterial")]
	end
end

task.wait(2)
for _, obj in ipairs(Workspace:GetDescendants()) do
	processInvisiblePart(obj)
end

Workspace.DescendantAdded:Connect(function(obj)
	if obj:IsA("BasePart") then
		task.wait(0.1)
		processInvisiblePart(obj)