A whole roll of sprocket holes. 35mm film in a Holga 120 format toy camera. Tape. Rubber bands. The works.

Go walk somewhere good, put the camera to your eye, and press the button.
Click on the small proof sheet to get a bigger proof sheet.
Make a loupe out of a paper cup, put your eyeball up to the screen, and tell me what you see.

Sprocket Holga Proof Sheet — by Joe Reifer