3^3

1. A thumb piano.
You can play anything on this small, portable, musical instrument. It plays pure and almost meditative.
How to build one
Watch it

2. Rubik's Cube.
It's really not that complicated. Cube freaks are on youtube giving tutorials on how to solve it, try it and amaze your friends.
Watch it

3. Survivor by chuck Palahniuk.
The same author as fight club, this book is a great read. The main character is records his story on an airplanes black box as the plane runs out of gas in the middle of the ocean. Really cool!
Check it Out