Original Faller worm gear.
Module: 0.16
Number of teeth: Z20
Axle diameter: 1mm
Diameter over the teeth: 3.5mm
Material: brass
Toothing: beveled
Magneten 2mm x 2mm
Second glue
Steering part FA163204 per...
NiMH 1,2Volt/800mA with...
Wheel with tires FA163109
Wheel with tires FA163101
Charger connector 3-pins...
Axle 1 mm
Tandwiel messing FA163551
Wormwiel FA163553