At four locations throughout the game, meet with
Fred and George Weasley and give them 25 Bertie 
Botts. Not only do you get Wizard Cards, but 
you'll see their practical joke at the end of 
the game.

by unknown 


During flying practice, fly to the window with
the hogwarts emblem on it at the end of the 
field. 

It should open up and turn into a secret room 
which has a card and four beans in it. Try to 
slip through the hole to get in.

Submitted by shuegun67 at onebox.com