Handy USB Digital Microscope
The USB Digital Microscope from Think Geek is both an affordable and versatile gadget to purchase for the younger members of the family. For a small investment of $70 the owner of the USB Microscope can view specimens collected around the house, backyard, desk or fridge and look at the micro-printing on a dollar bill or examine the traces on your motherboard. 'Simple plug and play operation with included software that allows you to magnify objects and view them on your PC up to 300X and capture snapshots and movies. You can also manipulate images with drawing and painting tools. The microscope camera is detachable and can function as a webcam using the included stand.'
Source: Think Geek