About this 3D model
The model includes a magazine for 6 AA batteries and a magazine for 8 AAA batteries Remove the helper disc from the axle, put on the small gears. If the small gears on the axle are free, glue them, first align them with each other so that the teeth sit on both large gears equally, also glue the top of the cage and the knob You will still need 2 bearings 608 from the skates