This weekend the Mercedes Pens will be appearing at Maker Faire 07 in San Mateo. I have been busy working on a Blue Man Group PVC instrument for the roof of the car. Its not ready yet, all I need are various lengths to be inserted on the top part. The side pipes are hit with a flat paddle, and that makes the tone. The idea is to make it look like giant pens sticking out from the roof of the pen car. I love the idea of a duel purpose art project.