Mustard and cress seeds spelling out a rude word in the lawn is good, because it takes just a few days to grow and is not visible until the lawn is mowed, when the white stalks will glow like a beacon!

If you really want to stink the car out, get a baby. Our car was never the same after the Limpit treated it to one of her projectile vomits at 70mph down the motorway.....

LTS