By David Shaw, 14 November 2019
We’ve collected a few quick and easy designs for you to try, from a looping master to a super-fast dart with a twist.
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By David Shaw, 20 March 2017
Here’s a quick puzzle for you – this square is too wide for its envelope. Can you find a way to make it fit?
By David Shaw, 29 October 2013
This activity sounds super easy from the title, but there’s more to it than you might expect!