You can edit them by going into the Gringotts vaults and playing the tutorials before it lets you edit the levels. The levels you create have simpler graphics than the levels in the game. They will look like the Bonus Levels in the Gringotts vaults.
23 and also bonus levels
Lego Harry Potter years 1-6 doesn't exist.
Lego Harry Potter Years 5-7 came out in November 2011.
Lego Harry Potter Years 5-7 came out in November 2011.
There are no voices on the game Lego Harry Potter years 1-4.
Lego Harry Potter years 1-4 came out on June 29th 2010.
Lego Harry Potter years 1-4 came out on June 29th 2010.
Lego Harry Potter Years 5-7 came out in November 2011.
Lego Harry Potter years 5-7 come out in November 2011.
Lego Harry Potter years 5-7 covers the Deathly Hallows book.
Lego Harry Potter years 1-4 was released on May 28, 2010.
Lego Harry Potter Years 5-7 was released on 11-1-11.