"make a script for a ui text label that displays and starts a 5 minute countdown when the player touches the part called GearPart. touching the part during the countdown does not interrupt it."

-- script for GearPart 
local part = script.Parent
local touched = false

local function startCountdown(player)
    if not touched then
        touched = true
        local gui = player.PlayerGui
        local label = gui.MainUI.CountdownLabel
        local timeLeft = 300 -- 5 minutes in seconds

while timeLeft > 0 do
            local minutes = math.floor(timeLeft / 60)
            local seconds = timeLeft % 60
            label.Text = string.format("%02d:%02d", minutes, seconds)
            wait(1)
            timeLeft = timeLeft - 1
        end
        label.Text = "Countdown Finished"
    end
end

local function onTouch(otherPart)
    local player = game.Players:FindFirstChild(otherPart.Parent.Name)
    if player then
        startCountdown(player)
    end
end

part.Touched:Connect(onTouch)

-- Local script for UI 
local Player = game:GetService("Players").LocalPlayer
local MainUI = Instance.new("ScreenGui")
MainUI.Name = "MainUI"
MainUI.Parent = Player.PlayerGui

local CountdownLabel = Instance.new("TextLabel")
CountdownLabel.Name = "CountdownLabel"
CountdownLabel.Parent = MainUI
CountdownLabel.Size = UDim2.new(0.2, 0, 0.1, 0)
CountdownLabel.Position = UDim2.new(0.4, 0, 0.4, 0)
CountdownLabel.Text = "Touch the GearPart"
CountdownLabel.TextScaled = true
CountdownLabel.BackgroundTransparency = 1
CountdownLabel.TextColor3 = Color3.new(1, 1, 1)