There were 66 teams from Austria, Canada, China, Czech Republic, Germany, Hungary, Iceland, Israel, Japan, Jordan, Korea, Mexico, Netherlands, Norway, Peru, Poland, Russia, Saudi Arabia, Singapore, South Africa, Spain, Sweden, Taiwan, Turkey, United Kingdom, and United States.
[1] The theme for the competition was Nano Quest to challenge participating teams to research and design new solutions using nanotechnology.
[3] The 2010 FIRST Lego League Open European Championship was held June 2,3 2010 in Istanbul, Turkey.
The 2011 FIRST Lego League Open European Championship was held June 2–4 in Delft, Netherlands.
This year, the teams had to find solutions to help older people in their daily lives, thus improving their life quality.
89 FIRST Lego League teams from 40 countries from all over the world competed in the Trash Trek challenge at the OEC.
The 2017 FIRST Lego League Open European Championship took place in Navitas Research Institute in Aarhus, Denmark from May 25 to 28, 2017.
There were 55 teams from Brazil, Canada, China, Denmark, Egypt, Germany, France, Hong Kong, Ireland, Israel, Japan, Malaysia, Mexico, Netherlands, Norway, Peru, Saudi Arabia, Singapore, South Korea, Spain, Sweden, Taiwan, Turkey, United Kingdom, and United States that joined the competition in the theme of Power Puzzle.
[9] The 2013 First Lego League Asia-Pacific Open Championship was held in Macquarie University, Sydney, from the 4th to 6 July 2013.
30 teams came from countries including India, Brazil, China, Japan, South Korea, Philippines, Hong Kong, Singapore, Taiwan, Egypt, Australia and Thailand.
The 2015 First Lego League Asia-Pacific Open Championship was held at Macquarie University, Sydney, from the 10th to 12 July 2015.
Teams also meet with judges for evaluation of their robot design, programming and their problem-solving strategies, and their research project, which is tied to the Challenge theme.
The 2011 FIRST LEGO League North American Open Championship was held May 21–22 in Carlsbad, California.
It was joined by its newly opened sister park Legoland Florida in Winter Haven, FL which also hosted a tournament May 4–6.
The event was called HighTechKids First Lego League International Open using the Power Puzzle challenge.
Teams event had the standard judging and performance aspects as well as a head-to-head competition and an alliance challenge.
Source:[19] The 2019 FIRST LEGO League Open International was the first international open championship held in the Arab World, co-organized by the Education and Technology Center, FIRST LEGO League operational partners in Lebanon, and the Lebanese American University - LAU in Byblos between June 14 and June 16, 2019 under the patronage of the president of the council of ministers Mr. Saad Hariri.