The Squashed Tomato Challenge

Can you solve the tomato problem?


  • Squashed Tomato Challenge, run by Practical Action.
  • Based on a real life problem in Nepal, can tomatoes be moved down a mountain without being squashed?
  • Your challenge is to design, build and test a solution for this problem.
  • NB: Primary schools – This activity can count towards a CREST Star Investigators SuperStar award.


  • Anytime!


  • The challenge can provide a focus for National Science and Engineering Week, be used as a STEM or science club activity, enhance a science lesson, etc. There are endless possibilities!
  • Take a look at the Challenges in Schools page to see how other schools have used the challenge.
  • Just head to the website by clicking below and take a look at all the handy resources.