I first have to say that I LOVE crime scene and CSI type shows. In all the years that I have watched these shows, I never realized that there were still some basic things about crime investigation that I didn't know about. Until... I
The unit came from Currclick and is called "Science Sizzles: Fingerprinting" by Teacher Book Bag and The Heart of a Child.
Here are some various pics I took during and after :-) As you can see it was a terrific lesson.