I got (a little bit too) into photography and developing my own film the past few months. Color slide film seemed like a challenge so I went to the zoo and shot a roll then developed it in my kitchen. The only logical thing to do was make some keychain viewers with the film.
Specifics: Canon AE-1 Kodak e100 film Cinestill CS6 development kit Keychain viewers from Adorama #diy source