Quantity   Component name
1 × Motor driver board <a target="_blank" rel="noopener noreferrer" href="http://www.pololu.com/product/713">http://www.pololu.com/product/713</a>
2 × Motors and wheels <a target="_blank" rel="noopener noreferrer" href="https://solarbotics.com/product/gmpw_deal/">https://solarbotics.com/product/gmpw_deal/</a>
1 × Ball Bearing Caster <a target="_blank" rel="noopener noreferrer" href="http://www.pololu.com/product/953">http://www.pololu.com/product/953</a>
1 × Arduino Pro Mini 328 <a target="_blank" rel="noopener noreferrer" href="https://www.sparkfun.com/products/11114">https://www.sparkfun.com/products/11114</a>
1 × 7.2V 200mA monocrystalline solar cell <a target="_blank" rel="noopener noreferrer" href="http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=4368552&amp;csid=_61&amp;rrpl=item_page.content1&amp;rrstr=ClickCP&amp;rrindex=0">http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=4368552&amp;csid=_61&amp;rrpl=item_page.content1&amp;rrstr=ClickCP&amp;rrindex=0</a>
4 × Microswitches (for obstacle detection) <a target="_blank" rel="noopener noreferrer" href="http://www.sciplus.com/p/DEFOND-3A6A-MICROSWITCH_49704">http://www.sciplus.com/p/DEFOND-3A6A-MICROSWITCH_49704</a>
1 × USB / DC / Solar Lithium Ion/Polymer charger - v2 <a target="_blank" rel="noopener noreferrer" href="http://www.adafruit.com/product/390">http://www.adafruit.com/product/390</a>
1 × RF Link Receiver <a target="_blank" rel="noopener noreferrer" href="https://www.sparkfun.com/products/10533">https://www.sparkfun.com/products/10533</a>
1 × RF Link Transmitter <a target="_blank" rel="noopener noreferrer" href="https://www.sparkfun.com/products/10535">https://www.sparkfun.com/products/10535</a>
1 × SparkFun 5V Step-Up Breakout <a target="_blank" rel="noopener noreferrer" href="https://www.sparkfun.com/products/10968">https://www.sparkfun.com/products/10968</a>