The following are known CTRPF AR Cheat Codes for LEGO Harry Potter: Years 5-7 on Nintendo 3DS (3DS).

000400000004A400.txt

[1,000,000,000 Studs]
0032A3A0 05F5E0FF

[Infinite Health]
602C2478 00000000
B02C2478 00000000
00000108 3C000005
D2000000 00000000