If parts pop off during a competition, you&#x27;re allowed to put them back together. I&#x27;m not sure if that includes a full explosion (when a majority of the pieces come off the cube). It probably doesn&#x27;t matter because it would take too long anyway.<p><a href="https:&#x2F;&#x2F;www.worldcubeassociation.org&#x2F;regulations&#x2F;#article-5-puzzle-defects" rel="nofollow">https:&#x2F;&#x2F;www.worldcubeassociation.org&#x2F;regulations&#x2F;#article-5-...</a>