Replacement engine with gearbox
Micro gear motor (technical data: dimensions: 6mm Æ x 24mm length, weight 1.7 grams, gear shaft speed 4-40 rpm, coreless motor dimensions: 6mm Æ x 12mm length, operating voltage 0.5-3 volts, current consumption 25-150 mA, Planetary gear with reduction 700:1, dimensions: 6mm Æ x 12mm length, gear shaft 1.5 mm