Make a screenGUI in startergui's
Place a frame in it, covering the whole screen and colour it white or black!
After that place a script in a part u want a guy to touch.
Set visible of the frame off
In the script type-
local frame = game.StarterGUI.ScreenGUI.Frame
frame:connect(function()
wait()
frame.Visible = true
wait(0.1)
frame.Visible = false
wait()
end |