Pololu

Stepper Motor with 38cm Lead Screw: Bipolar, 200 Steps

Stepper Motor with 28cm Lead Screw: Bipolar, 200 Steps

10:1 Micro Metal Gearmotor HP 6V 3000Rpm

1000:1 Micro Metal Gearmotor HP 6V 32Rpm

L3GD20H 3-Axis Gyro Carrier with Voltage Regulator

Sharp GP2Y0A60SZ Infrared Sensor 10-150cm

Zumo Reflectance Sensor Array

VL53L0X Time-of-Flight Distance Sensor Carrier with Voltage Regulator, 200cm Max - PL2490

QTR-8RC Reflectance Sensor Array

QTR-3A Reflectance Sensor Array

QTR-3RC Reflectance Sensor Array

Pololu 6V 570 Rpm 20 mm DC Motor Carbon Brush

Pololu Ball Caster with 3/8″ Metal Ball 9.5mm

Bipolar/Unipolar NEMA 17 200 Stepper 42x48mm 4V Step Motor

10:1 Micro Metal Gearmotor HPCB 6V 3000Rpm

50:1 Micro Metal Gearmotor HPCB 6V 625Rpm

5:1 Micro Metal Gearmotor HP 6V 6000Rpm

50:1 Micro Metal Gearmotor HP 6V 625Rpm

5:1 Micro Metal Gearmotor HPCB 6V 6000Rpm

75:1 Micro Metal Gearmotor HPCB 6V 400Rpm