Mr. Raval has a feel of the eco Cube, a solar powered powerbank cobined with wi-fi hotspot. Looking on is VC, Prof. Ngumi (2nd left) Published January 23, 2019 at × in Government Challenged to Tap into Students’ Innovations Next → Mr. Raval has a feel of the eco Cube, a solar powered powerbank cobined with wi-fi hotspot. Looking on is VC, Prof. Ngumi (2nd left)