Photo: Engadget (A report from my son and Lego maniac GeekTeen John.) Last month saw the release of Hero Factory Recon, a subtheme of the popular "Design byME" service on the Lego website.

Following on from Lego Hero Factory Brain Attack, which had 50 million play sessions worldwide, this should be popular. Lego Hero Factory Invasion From Below will be available from January 2014 ...