630+ total building elements
Variety of channels, plates, flats, and brackets not found in the robotics sets
Tank treads, sprockets, idler wheels, and conveyor paddles
Additional 40-, 80-, and 120-tooth gears, along with a rack and pinion linear slide pack
Continuous rotation servo motor
Axles, bushings, stand-offs, and connecting hardware
Sturdy storage bin
Printed builder’s guide and activity accessories