GEARBOX 2 IN 1
SKU : KNS7
Quantity on Hand : 4
Skill Level : Kit - No Soldering Required
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- use the contents of this set to change the speed of your existing sets
- contains: motor, 2 set gears, metal shafts, gearbox and other accessories
- power supply: 2 x 1.5 V AA batteries (not incl.)