To explain how something works

In this lesson, we join Miss Sidenius in building our new invention from lesson 1. We put our invention to the test and make sure to make any improvements if needed. Finally, we have a go at explaining how our new invention works to somebody in our household, a teddy or a toy.


Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Lesson Complete

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