"make a script with 1 local and 1 server script and a remote event (and a check to see if the remote exist), when using the parent tool, it will create 3 guis above the players head, and then it will choose from 1-9 images each representing a number, with a 1/5 chance for all 3 images to be the same."

-- server script (ServerScriptService) 
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local remoteEvent = Instance.new("RemoteEvent", ReplicatedStorage)
remoteEvent.Name = "RandomNumberEvent"

local function onRandomNumberRequest(player)
    if not remoteEvent then return end -- Check if the remote exists
    
    local randomNumber1 = math.random(1, 9)
    local randomNumber2 = math.random(1, 9)
    local randomNumber3 = math.random(1, 9)
    
    -- 1/5 chance for all numbers to be the same
    if math.random(1, 5) == 1 then
        randomNumber2 = randomNumber1
        randomNumber3 = randomNumber1
    end
    
    remoteEvent:FireClient(player, randomNumber1, randomNumber2, randomNumber3)
end

remoteEvent.OnServerEvent:Connect(onRandomNumberRequest)

-- local script (StarterGui) 
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Players = game:GetService("Players")
local player = Players.LocalPlayer
local remoteEvent = ReplicatedStorage:WaitForChild("RandomNumberEvent")

local function createGuiAboveHead(number1, number2, number3)
    local character = player.Character or player.CharacterAdded:Wait()
    local head = character:WaitForChild("Head")
    
    local billboardGui = Instance.new("BillboardGui")
    billboardGui.Parent = head
    billboardGui.Size = UDim2.new(0, 200, 0, 150)
    billboardGui.Adornee = head
    billboardGui.AlwaysOnTop = true
    
    local frame = Instance.new("Frame")
    frame.Parent = billboardGui
    frame.Size = UDim2.new(1, 0, 1, 0)
    
    local imageLabel1 = Instance.new("ImageLabel")
    imageLabel1.Parent = frame
    imageLabel1.Position = UDim2.new(0, 0, 0, 0)
    imageLabel1.Size = UDim2.new(0.33, 0, 1, 0)
    imageLabel1.Image = "rbxassetid://ImageNumber" .. number1
    
    local imageLabel2 = Instance.new("ImageLabel")
    imageLabel2.Parent = frame
    imageLabel2.Position = UDim2.new(0.33, 0, 0, 0)
    imageLabel2.Size = UDim2.new(0.33, 0, 1, 0)
    imageLabel2.Image = "rbxassetid://ImageNumber" .. number2
    
    local imageLabel3 = Instance.new("ImageLabel")
    imageLabel3.Parent = frame
    imageLabel3.Position = UDim2.new(0.66, 0, 0, 0)
    imageLabel3.Size = UDim2.new(0.33, 0, 1, 0)
    imageLabel3.Image = "rbxassetid://ImageNumber" .. number3
    
    -- Remove the GUI after a certain time
    delay(5, function()
        billboardGui:Destroy()
    end)
end

remoteEvent.OnClientEvent:Connect(createGuiAboveHead)

-- Usage of the tool
local tool = script.Parent -- Assuming the local script is a child of the tool

tool.Activated:Connect(function()
    remoteEvent:FireServer()
end)