Metal Patter 7mm Bearing Cylinder Gearbox Kit For Nwell M4 Replacement Accessories

Metal patter 7mm bearing cylinder gearbox kit fits for Nwell M4 water gel ball blasting toys.

Material Metal
Bearing: 7mm
Cylinder: 69mm
Age range 14+
Applicable model Nwell M4

The usege of this product is to modify the gel ball blasting 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:
6 x 7MM Upgraded Bearings
1 x Cylinder
1 x Ladder Gearbox+Bearing Patter Head
1 x Steel cut gear set
1 x Spring
More Details: