What is this?

Hello again, everyone!  Last week I premiered a new facet of Geeknews, where readers had to guess what was pictured below.  I’d like to thank everyone for their answers, and as promised the first correct answer was submitted by ‘tmrafi’ who identified the picture as a standard ball mouse inner workings.  Good job!

Here is this weeks photo:

Good luck on the guesses! Please submit all answers in the comments section.