(This is a coin fountain.)
(Throwing in 100 Petra Contribution Decorations is supposed to bring you luck.)
(How about a throw?)
(A gift sprang out of the fountain.)
(You'd better have a look at what it is.)
(You'd better throw in more Petra Contribution Decorations if you receive more in the future.)
You threw in a Petra Contribution Decoration and received a special gift from the fountain.