LEGO® Quiz How much do you know about LEGO? by Mark HughesRead more about LEGO and see our LEGO Timeline. Question 1 (out of 10): Out of every one million LEGO elements manufactured, what is the approximate number of elements that are rejected? 28 8 108 18 More Quizzes from Factmonster: Try another World Quiz ! Quiz Archive FEN Learning is part of Sandbox Networks, a digital learning company that operates education services and products for the 21st century.