Turn your BASIC Stamp-based Boe-Bot into an Arduino Uno-based Shield-Bot with the Boe-Bot to Shield-Bot Retrofit Kit. Then, you are ready for "Robotics with the BOE Shield [1]" with breadboard-based DIY sensor circuits, extra Shield-Bot projects and Robot Competition Ideas, and other Arduino-friendly Parallax sensors and accessories.
Note: The images in this section will show robots with the newer style of small robot wheels. If your Boe-Bot uses the older style of small robot wheel (with a rubber band tire and fewer spokes), it is fine to continue using them with the Shield Robot.
If you would like to upgrade your robot's older wheels to the newer ones, you will need to purchase (2) Small Robot Wheel and Tire (#28114) [5] per robot you are retrofitting. Please be aware that the Digital Encoders for the Boe-Bot (#28107) will not work with the newer wheel design.
If you can't straighten the cotter pin enough to pull it out, you can carefully cut it with diagonal cutters. If your kit does not include a replacement, you can get cotter pins here [7]. A straightened paper clip also works.)
Shield-Bot assembly is now complete!
Links
[1] http://learn.parallax.com/tutorials/robot/shield-bot/robotics-board-education-shield-arduino
[2] http://www.parallax.com/product/910-32333
[3] http://www.parallax.com/product/32333
[4] http://www.parallax.com/product/805-00007
[5] https://www.parallax.com/product/28114
[6] http://learn.parallax.com/tutorials/robot/shield-bot/robotics-board-education-shield-arduino/chapter-2-shield-lights-servo-20
[7] https://www.parallax.com/product/700-00023
[8] http://learn.parallax.com/educators/contest/home
[9] http://learn.parallax.com/tutorials/projects?tid=7
[10] https://www.parallax.com/product/arduino