Quantity   Component name
1 × Arduino UNO
4 × Futaba servo S3003
1 × HC-SR04 Ultrasound sensor
1 × Buzzer 5V
1 × Powerbank (optional)
20 × Screw M3
20 × Nut M3
1 × 3D printed Head
1 × 3D printed Base
2 × 3D printed Leg
1 × 3D printed Foot R
1 × 3D printed Foot L