--// Simple Ctrl Delete Script With Undo By Jalos34
local HoldToSelect  = Enum.KeyCode.LeftControl
local HoldToUndoAll = Enum.KeyCode.LeftAlt
local Mouse = game:GetService("Players").LocalPlayer:GetMouse()
local Parts = {}
local Box = Instance.new("SelectionBox",game.Workspace)
local Sound0 = Instance.new("Sound")
local Sound1 = Instance.new("Sound")
Box.Name="Box"Box.LineThickness=0.01;Box.Adornee=nil;Box.Color3=Color3.fromRGB(255,0,0)Box.Visible=true;Sound1.Name="Sound"Sound1.SoundId="http://www.roblox.com/asset/?id=773858658"Sound1.Volume=1;Sound1.Looped=false;Sound1.archivable=false;Sound1.Parent=game.Workspace;Sound0.Name="Sound"Sound0.SoundId="http://www.roblox.com/asset/?id=4676738150"Sound0.Volume=1;Sound0.Looped=false;Sound0.archivable=false;Sound0.Parent=game.Workspace;for a,b in pairs(game.Workspace:GetDescendants())do if b.ClassName=="Part"then b.Locked=false end end;Mouse.Button1Down:connect(function()if game:GetService("UserInputService"):IsKeyDown(HoldToSelect)then table.insert(Parts,Mouse.Target)Mouse.Target.Parent=game.CoreGui;Sound0:Play()end end)while wait()do Box.Adornee=nil;if game:GetService("UserInputService"):IsKeyDown(HoldToSelect)then Box.Adornee=Mouse.Target or nil end;if game:GetService("UserInputService"):IsKeyDown(HoldToUndoAll)then local c=0;for a,b in pairs(Parts)do c=a end;pcall(function()Parts[c].Parent=workspace;table.remove(Parts,c)Sound1:Play()end)wait(.1)end end