The first Challenge Window was launched in October 2016, with winners announced in March 2017. The second Challenge Window will commence in May 2017. Each Challenge will include three to five themes.
Dirisha la kwanza la shindano lilizinduliwa Oktoba 2016, na washindi wakatangazwa Machi 2017 na dirisha la pili linatarajiwa kufunguliwa Mei 2017. Kila shindano litajumuisha mada kuu tatu hadi tano.