This photograph has been taken on the third and final day at the idea exchange session of three days duration (26-28 march, 2015) workshop - 'International Capacity Building Workshop on Innovation' by the National Council of Science Museums (NCSM), Ministry of Culture, Govt. of India, at the Birla Industrial & Technological Museum (BITM), Kolkata. About forty museum professionals from different museums/centres from India took part along with six mentors. Here, the participants and school students are trying for a solution of the 'Marshmallow Challenge'.