Stop the Spread

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

Infectious diseases are a global problem and cause millions of deaths each year.  
Stop the spread is a STEM challenge which enables pupils aged 7-14 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.


Teacher resources include a lesson plan, pupil worksheets, a PowerPoint, certificates and more. 

The challenge can provide a focus for British Science Week, be used as a STEM or science club activity, enhance a lesson on microbes, forces/levers, form the basis of an enrichment day, and be the starting point for a range of cross-curricular activities.

Accredited by the British Science Association this activity can be used to gain a CREST Discovery award (primary and secondary), and a CREST SuperStar award (primary) . For more information please go to the CREST area of our website.

POSTER For a free poster download from below or email us for a free copy 


Teacher Pack


Certificates - Well done

Pupil Guide


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

Certificates - Congratulations

These materials are based on a Practical Action project in Kisumu, Kenya to improve access to sanitation and handwashing facilities for thousands of children.  We will be raising money for this project and from 8th November to 8th December any money donated by the public will be doubled by the Department for International Development ( DFID).

To find out more about the project and how you can help please go to our Safe Pair of Hands page.  

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