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CIBSE Flush Challenge

The CIBSE Flush Challenge is a unique educational game designed to engage pupils aged 9 to 11 in the fascinating world of building services engineering. 

The CIBSE Flush Challenge is part of CIBSE's commitment to nurturing the next generation of engineers and addressing the skills gap in the industry. As part of this initiative, which is partly sponsored by CIBSE Patrons, CIBSE STEM Ambassadors can utilise this innovative game during their educational outreach activities at schools, aiming to spark interest and curiosity about building services engineering among young minds.  

Each participating team of pupils will receive a specially curated kit, featuring a 3D-printed model of toilet and pipes. Their mission? To construct a fully operational flush system that efficiently flushes a small raisin down the toilet. Through this hands-on challenge, students will not only gain practical insights into the mechanics of building services engineering but will also develop a profound understanding of the importance of water conservation and environmental stewardship. 

Key features of the CIBSE Flush Challenge: 

  • Hands-on learning: Pupils get hands-on experience in assembling and understanding the mechanics of a flush system, fostering a practical understanding of building services engineering. 
  • Environmental focus: The challenge emphasises water conservation, promoting awareness about the need to use resources wisely and reduce water consumption. 
  • STEM engagement: The game is tailored to align with STEM (Science, Technology, Engineering and Mathematics) principles, making it an ideal tool for STEM education initiatives. 
  • Skills gap addressed: By introducing young minds to the field of building services engineering, CIBSE aims to inspire the engineers of the future, contributing to closing the skills gap in the industry. 

STEM Ambassadors - request the Flush Challenge

Request the CIBSE Flush Challenge to use for your next activity.

This portable set includes 5 Flush challenge kits (for up to 30 children) and a supporting presentation to guide you and the participants through the challenge.

Please note: We require 10 working days' notice to transport the kit to you. Kits are subject to availability. 

You must be a registered CIBSE STEM Ambassador to use the Flush Challenge. Not registered? Contact [email protected] to find out how you can become a CIBSE STEM Ambassador.

Request the CIBSE Flush Challenge kit
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Educators - request a CIBSE STEM Ambassador to visit your school or group

Would you like a CIBSE STEM Ambassador to visit your school or group to inspire your students' interest in STEM and lead them in the CIBSE Flush Challenge? 

Get in touch
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Who are CIBSE STEM Ambassadors?

CIBSE STEM Ambassadors visit schools, colleges, universities and youth group organisations. They give an insight into the life of a building services engineer and promote careers in the profession, inspiring the next generation of engineers. Meeting industry experts can have a real impact on students and can inspire their career choices.

Find out more and get involved
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