Sustainable League of Combat Robotics

The Sustainable League of Combat Robotics (SLCR) is a hands-on robotics competition league that emphasizes the use of sustainable, affordable materials, with the majority of the combat robots built from 3D-printed parts. SLCR offers a platform for students and educators to engage with STEM concepts by designing and building 1lb Antweight Class robots, competing in events throughout the year. The league promotes learning in areas such as electronics, 3D design, manufacturing, and engineering, while culminating in the annual Plastic Pandemonium competition.


Plastic Pandemonium 2025

Saturday, May 17, 2025

Hosted in partnership with Chaffey Joint Unified School District and Southern California Attack Robotics (SCAR), Plastic Pandemonium is the ultimate competition for 1lb Antweight Class combat robots. Teams from across the region will compete using robots primarily made of 3D-printed parts, in a thrilling showdown at Colony High School. The overall winner will take the perpetual trophy to their school! This event follows the SPARC Judge Ruleset and Match Rules, ensuring fair and exciting matches for all participants.

Spectator Information

Rialto Middle School:

The Clash of The Circuits

Thursday, March 13, 2025

Hosted in partnership with Rialto Middle School from Rialto Unified School District, The Clash of the Circuits is SLCR's 1lb Antweight Class combat robots last competition before the final in May. This competition will be held at Rialto Middle School in Rialto and is open to Middle and High School teams from across Riverside and San Bernardino Counties. There will be trophies for podium finishers in both divisions. This event follows the SLCR edition of SPARC Judge Ruleset and Match Rules, ensuring fair and exciting matches for all participants.


Redlands Robot Rumble:

The Plastic Purge

Saturday, December 7, 2024

Hosted in partnership with Orangewood High School from Redlands Unified School District, Redlands Robot Rumble is SLCR's competition season opener for 1lb Antweight Class combat robots. This competition will be held at Orangewood High School in Redlands and is open to Middle and High School teams from across Riverside and San Bernardino Counties. There will be trophies for podium finishers in both divisions. This event follows the SLCR edition of SPARC Judge Ruleset and Match Rules, ensuring fair and exciting matches for all participants.