Amazon.com: 4pcs Emax Mt2213 935kv Brushless Motor 2CW 2CCW with Orignal 1045 Propller for DJI F450 F550 Quadcopter Hexcopter Octo Copter : Toys & Games
Amazon.com: QWinOut F550 Airframe RC Hexacopter Drone Kit DIY PNF Unassembly Combo Set with Kkmulticopter Flight Controller for Beginners (No Battery and Remote Controller) : Toys & Games