These are all the robot building instructions. By visiting each building instruction you could see the Tutorials and Courses and Lessons in which it is used.
This attachment is accomplishing three missions and partly two more missions from the FIRST LEGO League 2022-2023. It is for the Chain Monster robot
This is an attachment for the Kriket box robot. It demonstrates how to build attachments that glide over the robot, are pinless and could be quickly and easily replaced and changed with another attachment. This attachment also lifts. Quite cool. Quite cool.
These are 3D building instructions for an extensible and configurable attachment for FIRST LEGO League 2021 Cargo Connect and the Sorting Center mission. The attachment has 3 axles, and we can place these axles in all kinds of configurations.