Quantity   Component name
1 × 3D printer http://bit.ly/2kqVOdO
1 × Arduino Uno http://bit.ly/2xGflPy
1 × 18650 battery holder http://bit.ly/2h8WSAw
2 × 1N4001 diodes
3 × 10 kohm resistors
1 × 20mm on/off switch
2 × Ball wheels
70 × M2x6mm bolts
20 × M2x10mm bolts
10 × M2x1.5mm nuts
4 × M3x40mm bolts
4 × M3x1.5mm nuts
1 × Protoshield http://bit.ly/2f1tQCb
1 × ESP8266-01 http://bit.ly/2GrJtiA
6 × SG90 servomotors http://bit.ly/2q4yszY
2 × DC motors with reduction and rubber wheels http://bit.ly/2h93K0J
1 × L298N dual channel H-bridge http://bit.ly/hbridge298
1 × 16 channels servo controller http://bit.ly/2DFe1eC
4 × MAX7219 8x8 LED display http://bit.ly/2h81HKo
2 × 18650 battery http://bit.ly/2f23fVC