The WorldSkills Mobile Robotics 2021 Junior Collection by Studica is the authorized collection for the WorldSkills Mobile Robotics Junior Competition. This comprehensive Collection includes over 1,400 items including controller, electronics, motors, structure, gears, sprockets, pulleys, belts, axles, slides, rack & pinion, wheels, bushings, bearings, coupling, collars, spacers, screws, nuts, and standoffs.