Designathon Works
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Nancy Sumari & Luca Neghesti

The Jenga Hub

2018, 2019

Participated in edition:

About the host:

Nancy Sumari is a published author, business woman and social entrepreneur from Tanzania. Sumari is a business graduate from the university of Dar Es Salaam and the Managing director of Bongo5 media group, a new media entity focused on digital content creation. She is the founder and executive director of the Neghesti Sumari foundation and The Jenga Hub, that runs programs that teach kids from marginalized backgrounds how to code. She is committed to improve the state of the world through working towards digital literacy for all. Through the Jenga Hub, she gives access to literature and computational technologies by teaching children robotics and coding through structured courses to ultimately allow them to thrive creatively and encourage them to become better learners and thinkers.

About the event:

We held two GCDs in Dar es salaam and they were incredibly successful events that brought together children around Msasani Ward who took to solve challenges. We were amazed and inspired by how much the children were keen to solve issues faced in our communities and have fun while doing it.

Title: Tree Labs
Team: Modesta (12), Khadija (12), Salma (11)
Topic: Growth enhancement



We have created a laboratory that uses technology to shorten the amount of time needed for a tree to grow to maturity and provide the necessary ecosystem for biodiversity. Our technology will help combat deforestation by continuously adding more fast-growing seeds and trees. Tree Labs are the future!

Title: Mazingira App
Team: Auma (10), Jacqueline (11), Gisela (9)
Topic: Raising awareness



The Mazingira App is a phone application and computer software designed for kids to raise awareness about the effects of climate change and help children get enough information. It provides them with resources and knowledge so they can help and protect the environment. The app has games, activities for the environment and a platform to connect and share information with other kids.

Title: Jiji Msitu; City of the Future
Team: Warna (12), Precious (11) & Nurzat (12)

Topic: Clean cities



Our city is surrounded by trees and biodiversity but does not make use of anything that requires damaging the environment (like wood). It’s a very peaceful place due to the clean air and happiness that comes from trees and animals. It has increased productivity because people are happy. Everyone is vegetarian so it’s a new world that can be copied by other cities as well!

​Global partners: