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

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

local function startCountdown(player)
    local playerGui = player:WaitForChild("PlayerGui")
    local uiTextLabel = Instance.new("TextLabel")
    uiTextLabel.Parent = playerGui
    uiTextLabel.Size = UDim2.new(0, 200, 0, 50)
    uiTextLabel.Position = UDim2.new(0.5, -100, 0.1, 0)
    uiTextLabel.BackgroundTransparency = 1
    uiTextLabel.Font = Enum.Font.SourceSans
    uiTextLabel.TextSize = 20
    uiTextLabel.TextColor3 = Color3.new(1, 1, 1)
    uiTextLabel.TextStrokeTransparency = 0

local countdown = 300
    while countdown > 0 and not touched do
        uiTextLabel.Text = "Countdown: " .. tostring(countdown) .. " seconds"
        wait(1)
        countdown = countdown - 1
    end
    if not touched then
        uiTextLabel.Text = "Lucky Block Ready"
    end
end

local function onTouch(hit)
    local player = game.Players:GetPlayerFromCharacter(hit.Parent)
    if player and not touched then
        touched = true
        startCountdown(player)
        touched = false
    end
end

part.Touched:Connect(onTouch)