Lego Harry Potter is a Lego theme based on the film series of the same name and the eponymous novels by British author J. K. Rowling. It is licensed from Warner Bros. Lego models of important scenes, vehicles and characters were made for the first six films and all of the published books. The first sets appeared in 2001, to coincide with the release of the first film, Harry Potter and the Philosopher's Stone. Subsequent sets were released alongside the new films, until Harry Potter and the Order of the Phoenix. The line then went dormant for three years, with sets being released in 2010 and 2011. In 2018, it was announced that more sets based on the Harry Potter franchise would be released, including new sets based on Fantastic Beasts and Where to Find Them and its sequel, Fantastic Beasts: The Crimes of Grindelwald.
The Lego Castle theme, a segment of the broader Lego product line, encapsulates a medieval world concept, prominently featuring knights and castles. Launched initially in Europe in 1978 and later introduced to North America in 1981, the theme enjoyed continuous support until 1999. Following this period, the "Lego Castle" name was revived for two separate series: the first spanning from 2007 to 2009, and a second series in 2013. While distinct, the Lego Castle theme shares thematic elements with other medieval-inspired Lego series, such as Knights Kingdom, Knights Kingdom II, and Kingdoms. The early iterations of Lego Castle sets were distributed under the "Legoland" brand until 1991, after which Lego transitioned the branding to the "Lego System" in 1992, marking a shift in the product line's presentation.
Lego Wild West was a Lego theme based on the Old West period of the United States. It was in production for only two years, from 1996 to 1997.
Lego Studios was a popular brand of Lego toys released in 2000 and mainly focused on movie-making and the steps thereof. Lego Studios was first distributed in November 2000, and was later discontinued in 2003. The last series in the franchise was the Lego Spider-Man set.
Lego Aqua Raiders was a Lego theme that was launched by The Lego Group in 2007 and discontinued the same year. The theme focused on a team of divers searching for treasure in the Bermuda Triangle. The product line consisted of seven construction toy sets released in the same year.
Lego Power Miners was a product range of the construction toy Lego, themed around a team of "Power Miners" who, while investigating the cause of a series of severe earthquakes, discover Rock Monsters and Energy Crystals. The theme was originally released in 2009 after the discontinued Lego Rock Raiders theme. The product line was discontinued by the end of 2010.
Lego Avatar: The Last Airbender was a Lego theme based on the Nickelodeon television show Avatar: The Last Airbender created by Michael Dante DiMartino and Bryan Konietzko. It is licensed from Nickelodeon. The theme was first introduced in June 2006. It was eventually discontinued by the end of 2007.
Lego Minifigures are a 2010 Lego theme based on a set of collectible Lego minifigures. Each figure is an original character with new clothing and facial designs, and many contain previously unseen accessories. Each series usually contains 16 different minifigures; however, some series contain as few as 9 minifigures, while others contain up to 22. Since 2021, the number of different minifigures for a series is set to 12. In 2023, the Disney 100-anniversary series came out, bringing the total number of figures to 18, although it was once again reduced to 12 with the second Marvel series. This series also introduced paper boxes, instead of the plastic bags, making it no longer possible to feel up the pieces for each figure.
Lego Ninjago is a Lego theme that was created in 2011 and a flagship brand of The Lego Group. It is the first theme to be based on ninja since the discontinuation of the Lego Ninja theme in 2000. It was produced to coincide with the animated television series Ninjago, which was superseded in 2023 by a new series titled Ninjago: Dragons Rising.
Lego Pharaoh's Quest was a Lego theme that was first introduced in 2011. It uses elements from the previous Lego Adventurers theme. The Lego Pharaoh's Quest theme was discontinued by the end of 2012.
Lego Speed Racer was a 2008 Lego theme based on the 2008 film Speed Racer. It consists of four sets which were first released in April 2008. The product line was discontinued by the end of 2009.
Lego Dino was a Lego theme that was first introduced in 2011 after the discontinued Lego Dino Attack/Dino 2010 theme. The theme was inspired by Jurassic Park film as well as various dinosaurs films. It was eventually discontinued by the end of 2012.
Lego Jack Stone was a Lego theme that was first introduced in 2001, designed for children aged 4+. It focused on Jack Stone, the main protagonist of the theme. It was eventually discontinued by the end of 2002 and replaced with the Lego 4+ theme in 2003.
Lego Legends of Chima was a Lego theme that was introduced in 2013 and discontinued in 2015. The product line was based on the storyline of Legends of Chima, a 3D animated television series, which was produced to coincide with the Lego theme. The storyline was set in the fictional realm of "Chima", a fantasy world inhabited by various warring tribes of anthropomorphic animals that battle to collect a substance called "Chi". Alongside the television series and several shorts based on Lego Legends of Chima. The theme also produced a range of associated media, including theme park attractions, video games, and publications.
Lego Ultra Agents was a Lego theme that was first introduced in June 2014 after the discontinued Lego Agents theme. The theme was inspired by James Bond as well as various spy movies. The theme was considered to be a development or upgrade from the 2008 Lego Agents theme. The theme's 14 toy sets were released in three waves and were accompanied by a free app. Lego Ultra Agents was discontinued by the end of 2015.
Nexo Knights is a 3D animated television series that aired on Cartoon Network and premiered in 2016. It was produced by The Lego Group to coincide with the Lego theme of the same name. The series is based on a fantasy castle concept and is set in a futuristic kingdom called Knighton, which is home to five young knights. The storyline follows the adventures of the five knights as they defend their home from a court jester named Jestro and his monsters. Four seasons were produced for a total of 40 episodes. The fourth season finished airing in 2017. In 2018, The Lego Group discontinued the Nexo Knights theme, which also resulted in the cancellation of the series.
Lego 4+ also known as Lego 4 Juniors was a Lego theme that was first introduced in 2003, designed for children aged 4+. It is the successor of the Lego Jack Stone theme released in 2001. The 4+ theme consisted of Pirates, City and Spider-Man sub-themes. It was eventually discontinued by the end of December 2005.
Lego Teenage Mutant Ninja Turtles was a Lego theme based on the Teenage Mutant Ninja Turtles entertainment franchise first created by Kevin Eastman and Peter Laird. The theme was first introduced in 2012 and was discontinued by the end of 2014. Also included sets based on both the 2012 animated series from Nickelodeon and the 2014 film produced by Michael Bay.
Lego Juniors was a product range of the construction toy Lego, designed for children aged 4 to 7 years old. It acted as a transition from the Duplo to the regular Lego System. Lego Juniors initial release was on February 14, 2014, with the tagline Easy to build. It was the successor to the Bricks & More line released in 2009. Unlike its predecessor, Lego Juniors offered specialized bricks to make builds look more realistic while using fewer pieces for an easier build. The product line was discontinued by the end of 2018 and rebranded as "4+".
The Lego Ninjago Movie was a product line based on The Lego Ninjago Movie, the third film of The Lego Movie franchise. It was licensed from The Lego Group and Warner Bros. Animation. The theme was introduced in 2017 as part of a licensing and merchandising programme associated with the film. Alongside the release of the Lego sets, the programme included the release of several promotional short films and The Lego Ninjago Movie Video Game. The product line was discontinued by the end of 2019.
