The following are known CTRPF AR Cheat Codes for LEGO The Lord of the Rings on Nintendo 3DS (3DS).

000400000007A900.txt

[99999999 Studs]
00383120 05F5E0FF

[Infinite Health]
603254A0 00000000
B03254A0 00000000
50000000 0000FF00
200000A0 000000C8
D2000000 00000000