Quantity   Component name
4 × Servo MG946R
3 × Servo HJ S3315D
7 × HC-SR04 ultrasonic range finder
1 × Aluminum sheet 500 x 500 x 2 mm
1 × Aluminum sheet 250 x 250 x 1.5 mm
1 × Aluminum sheet 250 x 250 x 3 mm
4 × Pololu ball caster with 3/8″ plastic ball https://www.pololu.com/product/950
6 × HC-SR04 holders See Files
2 × 172:1 Metal gearmotor 25Dx56L mm LP 12V with 48 CPR encoder https://www.pololu.com/product/3268
2 × Pololu wheel 80 x 10mm - blue https://www.pololu.com/product/1430
2 × Pololu 25D mm metal gear-motor bracket https://www.pololu.com/product/1569
2 × Pololu universal aluminum mounting hub for 4mm shaft https://www.pololu.com/product/1081
1 × Li-Po battery Floureon 11.1 V, 35 C, 5500 mAh
1 × Dual MC33926 motor driver carrier https://www.pololu.com/product/1213
1 × DC-DC converter RD086DY001
1 × 2 W, 8 Ω miniature loudspeaker with enclosure
1 × TPA2005D1 breakout https://www.sparkfun.com/products/11044
1 × EMIC-2 text-to-speech module https://www.sparkfun.com/products/11711
1 × Carrier board for TPA2005D1 breakout/EMIC-2 See Files: Gerber EMIC-2 carrier board.zip
1 × ADXL335 - 5V ready triple-axis accelerometer (+-3g analog out) https://www.adafruit.com/products/163
1 × Power management PCB See Files: Gerber power management.zip
1 × Servo power supply PCB See Files: Gerber servo hub.zip
1 × APDS-9960 RGB and gesture sensor https://www.sparkfun.com/products/12787
1 × Bi-directional logic level converter http://www.dx.com/p/iic-i2c-level-conversion-module-compatible-with-3-5v-system-sensor-blue-197198#.VyT3j-RnY8I