LEGO Harry Potter: Years 1-4 Cheats and Tips

Enable the following effects by entering the corresponding code at the Wiseacres Wizarding Supplies shop.
Unlock Carrot Wands:
Enter AUC8EH
Unlock Character Studs:
Enter H27KGC
Unlock Character Token Detector:
Enter HA79V8
Unlock Christmas:
Enter T7PVVN
Unlock Extra Hearts:
Enter J9U6Z9
Unlock Fast Dig:
Enter Z9BFAD
Unlock Fast Magic:
Enter FA3GQA
Unlock Gold Brick Detector:
Enter 84QNQN
Unlock Hogwarts Crest Detector:
Enter TTMC6D
Unlock Ice Rink:
Enter F88VUW
Unlock Invincibility:
Enter QQWC6B
Unlock Red Brick Detector:
Enter 7AD7HE
Unlock Regenerate Hearts:
8Enter 9ML2W
Unlock Silhouettes:
Enter HZBVX7
Unlock Singing Mandrake:
Enter BMEU6X
Unlock Stud Magnet:
Enter 67FKWZ

When you have unlocked the Leaky Cauldron hub area enter Wiseacres Wizarding Supplies in Diagon Alley and talk to the vendor upstairs. Then enter the following passwords to enable the corresponding effect.

Spell Passwords
Accio:
Enter VE9VV7
Anteoculatia:
Enter QFB6NR
Calvorio:
Enter 6DNR6L
Colovaria:
Enter 9GJ442
Engorgio Skullus:
Enter CD4JLX
Entomorphis:
Enter MYN3NB
Flipendo:
Enter ND2L7W
Glacius:
Enter ERA9DR
Herbifors:
Enter H8FTHL
Incarcerous:
Enter YEB9Q9
Locomotor Mortis:
Enter 2M2XJ6
Multicorfors:
Enter JK6QRM
Redactum Skullus:
Enter UW8LRH
Rictusempra:
Enter 2UCA3M
Slugulus Eructo:
Enter U6EE8X
Stupefy:
Enter UWDJ4Y
Tarentallegra:
Enter KWWQ44
Trip Jinx:
Enter YZNRF6

Gold Brick Passwords
Gold Brick 01:
Enter QE4VC7
Gold Brick 02:
Enter FY8H97
Gold Brick 03:
Enter 3MQT4P
Gold Brick 04:
Enter PQPM7Z
Gold Brick 05:
Enter ZY2CPA
Gold Brick 06:
Enter 3GMTP6
Gold Brick 07:
Enter XY6VYZ
Gold Brick 08:
Enter TUNC4W
Gold Brick 09:
Enter EJ42Q6
Gold Brick 10:
Enter GFJCV9
Gold Brick 11:
Enter DZCY6G

Misc Passwords
Carrot Wands:
Enter AUC8EH
Character Studs:
Enter H27KGC
Character Token Detector:
Enter HA79V8
Christmas:
Enter T7PVVN
Disguise:
Enter 4DMK2R
Extra Hearts:
Enter J9U6Z9
Fall Rescue:
Enter ZEX7MV
Fast Dig:
Enter Z9BFAD
Fast Magic:
Enter FA3GQA
Gold Brick Detector:
Enter 84QNQN
Hogwarts Crest Detector:
Enter TTMC6D
Ice Rink:
Enter F88VUW
Invincibility:
Enter QQWC6B
Red Brick Detector:
Enter 7AD7HE
Regenerate Hearts:
Enter 89ML2W
Score x10:
Enter H8X69Y
Score x2:
Enter 74YKR7
Score x4:
Enter J3WHNK
Score x6:
Enter XK9ANE
Score x8:
Enter HUFV2H
Silhouttes:
Enter HZBVX7
Singing Mandrake:
Enter BMEU6X
Stud Magnet:
Enter 67FKWZ