sentences:  Problems with brittle, easily broken axles (especially due to the aforementioned cobblestones) and engine fires caused the Dutch government to pull out of the project.Though van der Goot had amassed enough parts to build twenty cars, only seven were built and at least two examples survive to the present day.One car, a restored example that was the subject of both the photo and the printed reference credited below is owned by Van der Goot's son, Erik, and the other by collector Sjoerd ter Burg, contributor to the Isetta Club article linked below.