(...) than (...) And? :-) Start with a 2x2 System brick. A Duplo 2x2 brick is 8 times bigger (volumetrically) than System and a Primo 2x2 is 8 times bigger than the Duplo, right? Or is it that a Primo 1x1 is 8 times bigger than the Duplo 2x2. I (...) (24 years ago, 20-Jul-00, to lugnet.dacta, lugnet.general)