The requirements for purchasing a vehicle, including the Corbin Sparrow or a BMW Isetta microcar, can vary depending on the laws and regulations of your specific country or region. Generally, owning and operating a vehicle does not typically require you to have a driver's license specific to that vehicle type, such as a motorcycle license. However, you would need to have a valid driver's license appropriate for the class of vehicle you intend to operate.
For example, if you plan to drive a Corbin Sparrow or a BMW Isetta microcar, you would likely need a valid driver's license for a passenger car or a motorcycle license if the vehicle is classified as a motorcycle in your jurisdiction. The specific requirements and regulations regarding driver's licenses can differ between countries or regions, so it's important to consult the local traffic authorities or licensing agencies to understand the requirements in your area.
Keep in mind that owning and operating a vehicle also involves other considerations, such as registration, insurance, and adherence to local traffic laws. It's important to familiarize yourself with the specific requirements and regulations applicable to your situation to ensure compliance with the law and to drive safely.