Why don't you confer with Mr. Finnigan? As I recall, he has a particular proclivity for pyrotechnics.
J. K. RowlingFor a split second, Harry thought how absurd it was for Tonks to expect the dummy to hear her talking that quietly through a sheet of glass, when there were buses rumbling along behind her and all the racket of street full of shoppers. Then he reminded himself that dummies could not hear anyway.
J. K. RowlingDark times lie ahead of us and there will be a time when we must choose between what is easy and what is right. -Albus Dumbledore
J. K. RowlingBut as he reached the ground and sprinted towards the dais, Lupin grabbed Harry around the chest, holding him back. There's nothing you can do, Harry -' Get him, save him, he's only just gone through!' - it's too late, Harry.' We can still reach him -' Harry struggled hard and viciously, but Lupin would not let go... There's nothing you can do, Harry...nothing...he's gone.
J. K. Rowling