Starkiller Base Game parts Arduino Uno Compatible (No cable) http://www.banggood.com/UNO-R3-ATmega328P-Development-Board-For-Arduino-No-Cable-p-964163.html?p=ZL2104540902201404G2 Ultrasonic sensor HC-SR04 0.99$ http://www.banggood.com/Wholesale-Ultrasonic-Module-HC-SR04-Distance-Measuring-Ranging-Transducer-Sensor-p-40313.html?p=ZL2104540902201404G2 DFPlayer 4.92$ http://www.banggood.com/DFPlayer-Mini-MP3-Player-Module-For-Arduino-p-969191.html?p=ZL2104540902201404G2 or WTV020SD-16P 2.49$ http://www.banggood.com/WTV020-SD-16P-U-Disk-Audio-Player-SD-Card-MP3-Voice-Module-p-78682.html?p=ZL2104540902201404G2 Micro SD card 2.15$ http://www.banggood.com/search/sd-card-2gb.html?p=ZL2104540902201404G2 Speaker 0.5W 8Ohm 0.99$ ***Speaker £2.20 http://www.ebay.co.uk/itm/Adafruit-Thin-Plastic-Speaker-w-Wires-8-ohm-0-25W-/161393801779?hash=item2593d1fa33:g:LMIAAOSwxH1T633W switch JST 1.99$ http://www.banggood.com/OnOff-Switch-Connector-Plug-JST-Male-Female-Wire-For-RC-Li-po-Battery-p-77399.html?p=ZL2104540902201404G2 LED 5mm Yellow (6 pieces) 0.42$ http://www.banggood.com/100Pcs-20Ma-F5-5MM-5Colors-Ultra-Bright-LED-Diode-p-966103.html?p=ZL2104540902201404G2 LED 10mm RGB 0.20$ http://www.ebay.co.uk/itm/10mm-12-Volt-Wired-Flashing-LED-in-Various-Colours-with-resistor-/111388476041?var=&hash=item19ef454289:m:mel44cU6JsCcQ_TLUfQyJ-Q 2 Servo 9g 3.24$ http://www.banggood.com/TowerPro-SG90-Mini-Gear-Micro-Servo-9g-For-RC-Airplane-Helicopter-p-1009914.html?p=ZL2104540902201404G2 Mini Breadboard 0.99$ http://www.banggood.com/Mini-Solderless-Prototype-Breadboard-170-Points-For-Arduino-Shield-p-74814.html?p=ZL2104540902201404G2 Jumper Wire Male to Female 1.66$ http://www.banggood.com/40pcs-20cm-Male-to-Female-Color-Breadboard-Cable-Jump-Wire-Jumper-p-992837.html?p=ZL2104540902201404G2 Jumper Wire Male to Male 1,78$ http://www.banggood.com/40pcs-20cm-Male-to-Male-Color-Breadboard-Cable-Jump-Wire-Jumper-p-70127.html?p=ZL2104540902201404G2 21.09$ (with DFPlayer) 18.66$ (with WTV020SD-16P)