I named it ‘The Frank Einstein Transformer’ because I put it together from five different bikes

“When I was a child, custom-made push bikes were a big deal back in Bulgaria and I always dreamt of having one, but I had to turn 30 to have it. This bike was the first one I made but I designed many of them since then. I named it ‘The Frankenstein Transformer’ because I put it together from five different bikes.”