If you long to play in the mud like you did as a kid, you can get the chance with this Mud Clock kit ($20). Developed by Middlesex University in the UK, the clock uses no batteries and is powered entirely by nature. The kit contains everything you need to get your hands dirty.
For those times when getting up from your desk to go get a soda is just too much work, we present the Portable Vending Refrigerator ($160). It holds up to 12 cans in four different rows, and keeps your refreshments 68 to 77 degrees below room temperature. As an added bonus, it works off of 110v AC or 12v DC power, letting you take this mini convenience store with you on the road.
Power your USB portable devices a little longer with the Sony Energy Link ($35). This portable power supply, driven by two AA rechargeable Cycle Energy batteries, can proivde that extra needed juice to your power hungry MP3 player or cell phone when the time comes. The Energy Link itself fully charges in three hours.