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WRO Categories

At WRO we offer challenging competitions for students in the age range from 8 up to 19. We have four competition categories, with their own characteristics and challenges:

  • Regular Category
  • Open Category
  • WRO Football (new sports game starting 2022)
  • Future Engineers (pilot season 2021)

Each season the challenges and theme for the Regular and Open Category are developed together with the country that hosts the International Final. The WRO Football rules and the Future Engineers game are designed together with experts in our community.

For all specific rules and regulations refer to the General Rules for each Category!

For the younger students (6-10) we have designed our WeDo challenges that introduce children to our robotics competitions in a fun way.

Overview of all WRO Categories

  Regular Open Football Future Engineers
Age Elementary: 8-12
Junior: 12-15
Senior: 15-19
Elementary: 8-12
Junior: 12-15
Senior: 15-19
10-19 14-19
Team size 2-3 people + coach 2-3 people + coach 2-3 people + coach 2-3 people + coach
Hardware LEGO® + HiTechnic Color Sensor No restriction on the use of controllers and other materials (*) Only LEGO® + additional HiTechnic equipment for ball and sensors Open Source
Software Free choice Free choice Free choice Free choice
Maximum size Max. 25 x 25 x 25 cm Booth of 2 x 2 x 2 meters Two robots, max. 22cm diameter, max. 22cm high and <= 1kg each Max. 30 x 200 x 30 cm
Characteristics Surprise Rule and assembly of the robot on competition day. It is so open that you can enjoy your creativity! Assembly of the robot on the competition day. Basic game is football, small modifications in rules each year. Teams can use any materials to build the robot, Students learn the (software) engineering process as well.
At WRO since 2004 2004 2010 2021 (pilot season)

(*) Teams at WRO International Final have the option to win the LEGO Education creativity award if they mainly use NXT / EV3 / SPIKE PRIME / Robot Inventor (LEGO) controllers.


WeDo - for the youngest

In WRO we have an ambition of being relevant to students of different ages. Our WeDo challenges are designed for children up to the age of 10, and involve the LEGO© Education WeDo platform.

Since 2018, National Organizers can choose to run a WeDo competition in their country. They have the opportunity to introduce challenges for the youngest students based on the Regular and Open Category formats.

The WeDo challenges are not a part of the official WRO international competition.