How to i pick a random object in workspace that isnt the table? In Roblox Studio

I'm trying to detect a new part in the workspace. but can seen to get it right. Players = Player WorkSpace = Game

is more likely for anti-exploit so it cant place any object without the script knowing it!

local Items = {"Camera", "Tarrain", "Baseplate"}
	game.Player.PlayerAdded:Connect(function(plr)
		table.insert(plr.Name)
	end)
	
	local workspaces = game.Game:GetChildren()
	local Item = math.random(1, #workspaces)
	local ItemsName = math.random(1, #Items)
	if Item.Name == ItemsName then
		print("EveryThing OK There!")
	else
		print("A Unknown part was found!")
		Item:Destroy()
	end

Here the error msg. ServerService.AntiExploit.WorkSpace:12: attempt to index number with 'Name' - Server - WorkSpace:12