How do you use AR cards on the 3ds?

you need 2 go on the ar card application find a light place and lay down the ? card on a flat surface below the light. then you aim the 3ds camera at the ? card. if you followed these instructions, 6 blocks should appear above the ? card on the 3ds camera. point the camera at one of them and it should tell you what to do from there. oh and by the way, dont bend them or use them to much or it wont work. another thing there are instructions on the 3ds that tell you how to use it so there was really no sense in writing all of this.

hope I helped.