Stop the Spread

Pupils research infectious diseases then design and build a model of a hand washing device for a school in Kenya

Infectous diseases are a global problem and cause millions of deaths each year.  
Stop the spread is a STEM challenge which enables pupils to research the problem then use their STEM and communication skills to design a hand washing devise and education materials for a primary school in Kenya.  

The design challenge: Working as a team pupils design, build and test a model of a hand washing device that can capture and dispense water for hand washing.

The research and communication challenge.  Pupils find innovative ways to communiate the problems cause by the spread of disease and the importance of hand washing to primary school pupils in Kenya.

The challenge is perfect for STEM clubs, integrating into your D&T and science lessons or runing as an off-timetable day.

This activity was written by Practical Action for the British Science Association and is accredited for their CREST Discovery Award. It can also be used use to enter the Youth Grand Challenges competition.



If you would like a free copy of our rather fabulous poster please just email us (UK only).

Teacher guidelines

Everything you need to deliver the challenge including starter activities and timings for a whole day activity.


The PowerPoint will help you guide your students through the challenge.

Certificates - well done

Certificates for students who have taken part in the challenge.

Student pack

Contains all the essential student support materials including a 'drop by drop' guide and worksheets.


This fabulous poster will inspire students to take part in the challenge. Download or request a printed copy.

Certificates - congratulations

Certificates for students on the winning team.

Additional project ideas for the competition around Worldwide washing  and Incredible  Inoculations  have been produced especially for pupils working towards their  bronze, silver and gold awards. Please go to the Youth Grand Challenges resources page to find these.


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