Reena hates rainy days. She hates the way the dark clouds make everything look so dull. Rekha loves rainy days. She loves the way the rain makes the earth smell. When Rekha spots a rainbow, she rushes indoors to tell her sister about it. Reena...
Transform and recycle household objects into your very own home-made toys and machines!Learn about the centre of gravity by making a balancing bird, create a toroidal vortex with a smoke-ring machine, and turn a spoon into an electromagnet. Chances are you won’t need to buy...
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