Insects become fly-on-the-wall spies with tiny cameras, radio controls and microphones
Fly on the wall! The U.S. Defense Advanced Research Projects Agency is working to develop cyborg insects that carry spy equipment. To make the insects as inconspicuous as possible, miniaturized brain probes are inserted during the pupa stage. The idea is the ultra-light implants will naturally integrate into the body of the developing insect.
Create a DIY Spy Kit for a kid! Direct link to original post. Instructions are not very in depth, nor does she provide sources for some of the items in the kit, but it's a good starting point. Could also easily be called a "Kid's CSI Kit".
Wrist -Watch Walkie Talkie ~ These walkie talkie watches are great fun for both kids and grown-ups, and make a great gift for anyone who loves spy gadgets. Incredibly easy to use, simply strap the walkie talkie watches on to your wrist and you've got an instant communications link within up to a three mile radius. These watches are great for hiking trips, skiing holidays and especially for junior agents storming the enemy's base.
How to Turn Your Smartphone Into the Ultimate Spy Tool
You don't need to be Bond to get your own spy gadgets. You've already got the ultimate spy tool in your pocket: a smartphone. And who would suspect you're spying when you're probably just texting a friend? Here are the apps and peripherals you need to take your phone on a covert mission without Q in your corner.