What are Lego bricks made of, and why is treading on them so painful? April 9, 2018 2Comments 0Likes 224Views Click to enlarge Lego is one of the most popular and instantly recognisable childhood toys out there. Have you ever wondered what those bricks are made of, or how they’re made? Or, for that matter, why it hurts so much if you tread on one? This graphic takes a look! Read more