uxcell 2Pcs 5.5mm x 6mm x 300mm Round RC Model Boat Copper Tube for 4mm Flex Shaft

[4-Pack] MG996R 55g Metal Gear Torque Digital Servo Motor for Futaba JR RC Helicopter Car Boat Robot

Maxmoral 2pcs MG90S 9g Metal Gear Micro Tower Pro Servo Upgraded SG90 Digital Micro Servos for RC Vehicle Helicopter Boat Car Models

2PCS Hybrid 6805 Ceramic Bearing ABEC-1 BB Hubs 25x37x7mm 6805-2RS Si3N4 Ceramic Ball Bearing

4x11x4mm Miniature Deep Groove Ball Bearing Steel Skateboard Bearings 694ZZ 694Z 619/4 Pack of 10

Sea Pearls Lead Shot Soft Weights, 5Pounds

Hobbypark 10 Pairs T-Plug Connectors Male & Female Deans Style w/Shrink Tubing for RC LiPo Battery Pack ESC Electric Engine Motor Parts

3D Solutech Real White 3D Printer PLA Filament 1.75MM Filament, Dimensional Accuracy +/- 0.03 mm, 2.2 LBS (1.0KG) - PLA175RWHT