42179 Planet Earth and Moon in Orbit, part of the broader LEGO Space super-theme this year, is unique in a lot of ways. It’s a Technic set that does not recreate some sort of vehicle—a rarity when scanning through the roughly 500 Technic sets listed on Brickset. The mechanisms are really interesting, with five different motions from a single input. And it’s also a great teaching tool. The technical name for the set is an orrery, which is a mechanical device used to represent the movements of the planets in our solar system. The Oxford’s History of Science Museum has a beautiful example of an orrery. Now onto the build and the science behind the set! Solar Flare! Ok that’s really big scale wise, but a fun add As established before, I am a space nerd and was very excited about this set in particular. I built this set with my...
