Please consider Gear (reduction ) motor p12 6V 60RPM as an alternative.Pretty nice Gear Motor with dust-proof enclosure, running at 6v 60rpm. Specifications Operating Voltage: DC 2.4 ~ 6.0V No Load Speed: 55 ~ 70rmp No Load Current: 30 ~ 70mA Max. Efficiency Speed: 40 ~ 52rpm Max. Efficiency Current: 350 ~ 450mA Torque: 0.7 ~ 1.2kg.cm Stall Current: 500 ~ 700mA Stall Torque: 3.0 ~ 4.0kg.cm