April is the 10th anniversary of my robotics blog, http://GoRobotics.net.
We're giving away $1,000 in robot prizes to celebrate. Just post a link to your best robot in the comments section here:
http://www.gorobotics.net/the-news/robot-giveaway-10-years-of-gorobotics-1000-in-prizes/
The 3rd place prize should be especially interesting to Arduino fans!
Here's a list of the prizes:
1st Place - Vex Dual Controller Starter Bundle with RobotC (donated by Vex Robotics), Pololu Jrk 21v3 USB Motor Controller (donated by Pololu), Build Your Own CNC Machine (donated by Apress), LEGO Mindstorms NXT One-Kit Wonders (donated by No Starch Press). ($605 total!)
2nd Place Prize - Penguin Robot (donated by Trossen Robotics), Extreme NXT (donated by Apress), Wall Hugging Mouse Kit (donated by Zagros Robotics), LEGO MINDSTORMS NXT Thinking Robots (donated by No Starch Press) ($268 total!)
3rd Place Prize – Oomlout Arduino Experimenters Kit (donated by Solarbotics), Practical Arduino and LEGO Mindstorms NXT 2.0: The Kings Treasure (donated byApress), and The Unofficial LEGO MINDSTORMS NXT Inventor's Guide (donated by No Starch Press)
The contest ends April 30th. It's free and easy to enter! Tell your friends 
Thanks.