Amazon.com: DC 5V Micro 2-Phase 4-Wire Stepper Motor Linear Rail 48mm Stroke Linear Stage Actuator Lead Screw Slider Stepping Motor Small Electric Motor 18 Degree Step Angle : Industrial & Scientific
Nanotec Stepper Motors: NEMA 6-42. 14-110 mm. Up to 13.5 Nm
China Small NEMA 11 Flat Stepper Motor for SMT - China Flat Stepper Motor, NEMA 11 Flat Stepper Motor | Made-in-China.com
Nettigo: Small stepper motor, 64 steps, 5V [Seeed Studio 28BYJ-48]
Mini Stepper Motor - 200 Steps - 20x30mm NEMA-8 Size : ID 4411 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Small Stepper Motor | Sparkfun ROB-10551 | Core Electronics Australia
1.5V, 3V, 6V DC High Torque Small Stepper Motor | NFPshop.com
Amazon.com: STEPPERONLINE Nema 8 Bipolar Smallest Stepper Motor 1.6Ncm/2.3oz.in 1.8deg 28mm 0.2A 4 Leads : Industrial & Scientific