Originally Posted by EnzoFalconi
I was told that the Helix will be available soon, but I don't know who will be selling the kit. Christoph (the designer) emailed me and said it would be as nice a kit as the planes sold by Donuts or FancyFoam. ...
The Helix will be available trough HEMPEL Modellflugwelt:
and also coming soon as a kit will be Martin Müller's EXTRA 300: