5 links
Anatomy of the Intel Play QX3 Microscope
micro.magnet.fsu.edu
The QX3 is a microscope that connects to a PC via USB. This site contains copious information about the internals of the QX3.
How Stuff Works: See 'N Say Toy
howstuffworks.com
Close-up interior photos of the See 'N Say toy show how it can make sound without a battery and store 26 different phrases inside.