process 2 porous and 2 nonporous items for latent prints using supplies you are able to obtain as described below:
1. Black fingerprint powder 2. Crushed Charcoal 3. Unsweetened Cocoa 4. Corn Starch (last resort) 5. Fingerprint powdering brush or large make-up brush. 6. Clear wide scotch tape. 7. Index cards.
It is not mandatory for you to purchase fingerprint supplies for this project.
If you are interested in buying supplies, a 2 oz container of black fingerprint powder costs approximately $6.70 @ http://www.sirchie.com/forensics/latent-print-developmentiregular-powders-brushes/regular-fingerprint-powder. html
Process two of the following Nonporous items: window, glass table, or mirror and a door handle
Process two of the following Porous items: piece of paper and a wooden furniture item or wooden door