- brickjournal.com – BrickJournal is a magazine that spotlights the many aspects of the LEGO Community.????
- classic-castle.com – For LEGO castle aficionados
- bricklink.com – Premium venue for individuals and businesses from all around the world to buy and sell new, used and vintage LEGO
- lugnet.com – International LEGO Users Group Network, a global community of LEGO enthusiasts.
- The Art of LEGO Design by Fred Martin– A slightly outdated, but still very useful guide to building with LEGO.
- Trifolioum Gears Lesson – A lesson plan about gear types and uses using LEGO gears to illustrate. Introduction to gears lesson.
- How Stuff Works – Explanations of how things work. It is not a curricula, and not specific to FIRST LEGO League, but has very good explanations of general engineering concepts. For example, How Gears Work, How Gear Ratios Work, and How Differentials Work.