Storybook on STEM subjects, Level - 4.
Balloons are colourful and light. Does the air inside them weigh anything at all, you might have wondered. Lakshmi has. So she and her classmates find out how heavy air is. Peek inside the covers to see what they learnt.

‘How Heavy is Air?’, written by Yasaswini Sampathkumar, illustrated by Shohei Emura and published by Pratham Books, can also be read here:

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