Elementary school may be only a distant memory for some of us, but I’m almost certain I would have appreciated learning basic math on “Knock Knock,” an Arduino controlled calculator toy created by Switzerland designer Khalil Klouche.
“Knock Knock is a playful calculator designed for small children. Knock out a calculation on the wood surface and it will knock back with the answer,” Klouche explained in a homepage blog post.
“[Basic components used to build Knock Knock include a] wooden box, Arduino board, contact microphones and solenoids.”
According to Klouche, “Knock Knock” was designed for the exhibition “Touch!” at MUDAC (Museum of design and contemporary art) in Lausanne in 2012. It was subsequently featured at the Lift conference in 2013, on Nouvo on RTS (Swiss TV), and most recently, on the MakeZine blog.
That’s a funny calculator. Cool project.
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