Last year, LEGO started a new line of Harry Potter sets, and they’re continuing to expand the line this August with five new sets. The sets will include the Knight Bus, Hagrid’s Hut, the front of Hogwarts, a battle between Harry’s Patronus and dementors, and the dragon from the Triwizard Tournament. Here’s a quick rundown on the individual sets: Expecto Pantronum - 121 pieces - $19.99 Transport fans of Harry Potter aged 7 and over to a magical world of wizards, Dementors and mythical creatures with this LEGO® Harry Potter 75945 Expecto Patronum building set. Kids will …