Adafruit “Music Maker” MP3 Shield for Arduino (MP3/Ogg/WAV…)

https://www.adafruit.com/products/1790

This arduino shield can edit audio, record audio, decode audio, and encode audio. What I find cool about this is how small this technology has become over the years. I could make a mini portable recording device that has buttons that allow me to interact with the audio and edit it.

DIY Gamer Kit from Technology Will Save Us

https://www.adafruit.com/products/2123

This is a kit that allows you to build a base platform for a video game using the arduino. The arduino can be used to program any game that you can imagine to be played on this simple game boy style device. Being a gamer my self I find this very interesting and it would be something I would want to get so i could make a simple game my self.

Fingerprint Scanner – TTL (GT-511C3)

https://www.sparkfun.com/products/11792

This is an all inclusive fingerprint scanner that is better at implementing a fingerprint then models before hand. I find it really awesome that there are decent fingerprint scanners like this now available for consumption. Ive always wanted to make my own security system and a good part of any security system is a fingerprint scanner.