What makes an invention revolutionary?, Make examples of objects which can spin?, When was the last time you made a massive mistake?, When do you usually sketch ideas?, What spare objects do you keep in the house?, When was the last time you exclaimed and why?, What would you do if you busted your friend's phone?, What machines make a whirring sound?, When do people squint their eyes?, What things move in a rhythmic way?, For what objects can we use copper?

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