It said "VW Camper concept powered by custom chopper motorcycle by Amen Design & Engineering." I don't know of any motorcycle engine with enough power to push this big thing around. Looks like something the Shredder r Darth Vader would own.
This little bit of photoshop skullduggery shows two potential outcomes of pairing a VW Camper and a VW Beetle. Firstly, with the front of the Beetle and the back of the Camper and secondly with the front of the Camper and the back of the Beetle.