Mix safe acids and bases and press - mould the ultimate secret weapons: Booger Bombs! Drop them into the hole in the face add secret se Drops and stand back! The se will gush - yes gush - as a flood of 'stuff ' into the mouth or even the ear! Invent your own exploding Zit Mix. Fizzing Eyeballs? Easy! Great Laughs - Great Fun and Great Science all guaranteed!