450Mm Tinkering Drone Set With Servo Motor And Dropmechanism , Informative Panel Back Light Board , Aeromodelwith Flying Wing 1200Mm , Aeromodel Delta Combination Ofaileron And Elevator Control Surface , Large Frame 3D Printerwith Min 625L Total Build Volume , 3Kva Online Ups ,Filament Rolls Pla , 3D Printer Designing Workstation Set Quantity: 57