Quantity   Component name
1 × Raspberry Pi 2 Model B
3 × Tower Pro MG995
1 × Tower Pro SG90
8 × Rechargeable Batteries
1 × 9" x 3" Acrylic Board
5 × 1/2" x 1/8" Aluminum Bars Back legs are slightly longer than front legs.
1 × HC-SR04 Ultrasonic Sensor
1 × Screws and Nuts