What games and tricks did the twins play on the ghost in "The Canterville Ghost"?

In "The Canterville Ghost," the twins delight in playing tricks on the ghost. In Chapter Three, for example, the twins set upon the ghost with their pea-shooters. They also help their brother to make a fake ghost, which they use to scare the Canterville ghost.

They continue to play tricks on the ghost in Chapter Four. First, they construct a "butter-slide" to trip up the ghost when he walks near the Tapestry Chamber. Later, they soak the ghost with a jug of water, which they hang above the door of the Blue Chamber.

It is both ironic and comical that the ghost is more afraid of the twins than they are of him. But, try as he might, the ghost is completely unable to frighten them and instead ends up the butt of the twins' jokes.