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Velleman 2-in-1 Gearbox # KNS7
Product Description
Features:
Use the contents of this set to change the speed of your existing sets
Specifications:
* Contains: motor, 2 set gears, metal shafts, gear box and other accessories
* Powered by: 2 x AA batteries (not included)
* Replacement Gears for MWK or KNS series wooden kits (SAME as 21-130 or 21130 )
Use the contents of this set to change the speed of your existing sets
Specifications:
* Contains: motor, 2 set gears, metal shafts, gear box and other accessories
* Powered by: 2 x AA batteries (not included)
* Replacement Gears for MWK or KNS series wooden kits (SAME as 21-130 or 21130 )
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