Khalil Klouche reinvents the calculator with his tremendous Knock Knock

Date
29 April 2013
Reading Time
1 minutes

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Since the days of GCSE maths I haven’t had much cause to use a calculator but my solar-powered Casio will always have a place in my heart. But there’s a new pretender to the throne in the form of this extraordinary Knock Knock offering from Swiss designer Khalil Klouche. Designed for small children, it works through an Arduino circuit board and presents an amazingly tactile, fun way to engage youngsters with fundamental maths. Well I say fundamental, you may find yourself having to concentrate on these simple sums more than you’d expect!

Above

Khalil Klouche: Knock Knock

Above

Khalil Klouche: Knock Knock

Above

Khalil Klouche: Knock Knock

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About the Author

Rob Alderson

Rob joined It’s Nice That as Online Editor in July 2011 before becoming Editor-in-Chief and working across all editorial projects including itsnicethat.com, Printed Pages, Here and Nicer Tuesdays. Rob left It’s Nice That in June 2015.

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