Kublai Gearbox Upgraded for K1 K2 K3

Description:
18:1 Metal gears
Gas cylinder
Metal cylinder
Double o ring metal cyinder head
Nylon piston  
 
Features:
The usage of this gearbox is to improve the gel ball toy and replace the accessories of the toy in time to extend the service life of the toy.
Meanwhile, the product has good performance.
You can make your equipment more powerful by DIY.
 
Package Included:
1*Gearbox
 
 
















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