TinyCircuits
GEAR REDUCTION MOTOR JST CABLE. AC, DC & Servo Motors 200:1 Gear Reduction Motor
SparkFun Electronics
GEARMOTOR 90 RPM 12VDC. SparkFun Accessories Micro Gearmotor 90 RPM (6-12V)
SparkFun Electronics
GEARMOTOR 270 RPM 12VDC. SparkFun Accessories Micro Gearmotor 270 RPM (6-12V)