Quantity   Component name
2 × Nextrox Mini 12V DC 60 RPM High Torque Gear Box Electric Motor
2 × TOOGOO(R) 37mm DC Geared Motor Mounting Bracket Holder + 6mm Hex Coupling
2 × Eureka vacuum belts Tires for wheels
1 × Servo gripper unit--from Jameco.com
2 × Hitec Servo Motor
1 × Continuous rotation servo motor
1 × Ping ultrasonic transducer
4 × Arduino Uno
1 × Pixy Camera
8 × NiMh Aa batteries
1 × Battery holder for 8 AA
1 × SPDT switch
2 × Arduino Motor Shield
4 × Infrared Sensor <a target="_blank" rel="noopener noreferrer" href="https://www.amazon.com/gp/product/B00XT0PBC0/ref=oh_aui_detailpage_o03_s00?ie=UTF8&amp;psc=1">https://www.amazon.com/gp/product/B00XT0PBC0/ref=oh_aui_detailpage_o03_s00?ie=UTF8&amp;psc=1</a>