Free Play Mode

Area 1: Slytherin Crest: Use Dark Magic on the TV on the left.

             Ravenclaw Crest: Zap 4 rubber ducks to reveal this. All 4 are in this area.

Area 2: Character Token 1: Use the Spectrespecs to build the LEGO pieces into a handle. Pick it up and place it on the press, then use Wingardium Leviosa to rotate it, revealing this.

             Character Token 2: Use the Deluminator to move the light from right to left, then water the plant. Zap the smaller flowers to reveal a bigger flower, with a current leading up to this.

             Student in Peril: After repairing the flying water cannon, fly it to the left and use it to put out the large fires. Repair the machine to shoot down the Death Eaters, causing this student to pop out of hiding.

             Hufflepuff Crest: Use Wingardium Leviosa to connect the pipe, then dig up the entrance. Send a pet through it to knock down the basketball, then use Wingardium Leviosa on the ball to reveal this.

Area 3: Character Token 3: Dig this up near the stump on the far right. 

             Gryffindor Crest: Dig up a Spectrespecs dispenser, then put a pair on. Build the LEGO pieces on the left into a pump, which will drain the water. Use the Apparition Point, then use Lumos to scare away the vines. Open the vault to reveal this.

Token Characters: Molly Weasley (750,000)
                             Bill Weasley (Wedding) (10,000)
                             Tonks (Pink Coat) (125,000)