Every week we will feature a different Semi-Finalists, leading up to the announcement of the $10,000 Grand Prize Winner!
This week we are featuring The Smart Rock Bolt, from Jens Eliasson, Pablo Puñal Pereira, Hasan Derhamy, Joakim Nohlgård, Mikael Larsmark, Henrik Mäkitaavola, Claudia Nohlgård of Sweden.
