If you are new in multirotor/drone hobby area and want to try out some basic multirotor designs so as to enhance your basic knowledge about multirotors!!! Micro Coreless Motor for Micro Quadcopters
These lightweight brushed DC coreless motors are the best choice for your small drone, offering you an excellent affordable price when compared with costly BLDC motors.
This Micro Coreless Motor is very compact and lightweight DC motor nicely crafted for perfectly matching with your small 100mm like multirotor frames.
They are rated at 60000 RPM which is more than needed to lift and push your drone to the target. These are less noisy with low resistance. The only drawback of using coreless is the amount of torque they provide, as they are High Speed and Low Torque motors.