That's an interesting idea that could work out in the less crowded areas. The drive bys, while nice, are hard to do in our town. It's one way streets with on street residential parking. You have to keep moving and hope that the birthday recipient recognizes the car and driver.I wonder if trick or treat via car would be an option? With all of the drive-by birthday and most likely graduation celebrations, this could be something that wouldn't be too difficult to organize.