I love how this concession idea lets you keep the main camper van for yourself and only needs access to the back of your vehicle for a pop-up cafe with an umbrella. Great way to make money on a road trip, or use the family vehicle for some quick cash at the weekend farmers' market.
My Mom and Dad would race to see who could identify the make, mode, and possibly year of the car the fastest. Both of them would know what it was though. I can't even tell which models modern cars are!