Quantity   Component name
1 × Components of the second and third versions on the zip folder (BOM file)
2 × (V1) Pololu 37D DC Brushed Motor (50:1) or equivalent https://www.pololu.com/product/1104
1 × (V1) Arduino Mega 2560 REV3 https://store.arduino.cc/arduino-mega-2560-rev3
1 × (V1) Pololu Dual MC33926 Motor Driver Shield for Arduino https://www.pololu.com/product/2503/resources
2 × (V1) Incremental encoder 600 ppr https://www.amazon.co.uk/Wisamic-Incremental-Encoder-Dc5-24v-Voltage/dp/B015GYY7XU
1 × (V1) HP 417441-001 Black/Silver PS/2 Mouse (Optional) Can be a joistick or other device. https://www.ebay.co.uk/itm/HP-PS-2-Optical-Scroll-Wheel-Mouse-P-N-417441-001-/163631638747
1 × (V1) Laser cut components Acrillic 3, 5 and 10 mm thickness
1 × (V1) Screws (M8, M6, M4 and M3 screws)
3 × (V1) 8 mm ID , 22 mm OD, 7 mm Thickness Roller Bearings (Skateboard bearings)