Does your child enjoy Lego? Do they think they are the best Lego builders in the world? Do you need an activity to keep the kids occupied so you can have a couple of hours of uninterrupted time?
If you answered yes to any of these questions, then this is the Lego design challenge for your child (or you!). The Penrose Triangle.
If they can build this, they deserve that toy they’ve been nagging you about.
Note: Prolonged exposure to this image may cause dizziness, eye-strain and general confusion. It will do your head in.