It is a simple circuit kit that includes a motor, battery case, and switch. It can be used as long as you prepare 2 AA batteries.
The wire has been welded and does not need to be welded separately.
Motor size: 25*20*15mm
Motor speed: about 16500 rpm
Switch size: 18*12mm (without feet)
Battery specifications: AA dry battery
Product weight: about 21 grams
Please prepare 2 AA battery yourself while using the product.
Package includes: 1 piece of motor