Quantity   Component name
1 × Arduino Nano https://www.banggood.com/ATmega328P-Nano-V3-Controller-Board-Compatible-Arduino-p-940937.html?p=MR090611294926201706
1 × RFID Module https://www.banggood.com/PN532-NFC-RFID-Module-V3-Reader-Writer-Breakout-Board-For-Arduino-Android-p-1017796.html?p=MR090611294926201706
1 × MP3 Module https://www.banggood.com/DFPlayer-Mini-MP3-Player-Module-For-Arduino-p-969191.html?p=MR090611294926201706
1 × WeMos Battery Shield https://www.banggood.com/WeMos-D1-Mini-Single-Lithium-Battery-Charging-And-Battery-Boost-Shield-p-1092773.html?p=MR090611294926201706
1 × 18650 Lithium Cell https://www.banggood.com/1PC-LG-Chem-INR-18650-MJ1-10A-3_6V-3500mAh-Battery-p-994340.html?p=MR090611294926201706
1 × 8x8mm ON/OFF Self Locking Switch Button https://www.banggood.com/20pcs-8x8mm-Double-row-6Pin-Self-locking-Switch-Button-p-1106601.html?p=MR090611294926201706
2 × 12x12mm tactile Push Button https://www.banggood.com/20Pcs-Tactile-Push-Button-Switch-Momentary-Tact-Caps-p-1064789.html?p=MR090611294926201706
1 × Mifare RFID stickers/tags to be done
1 × 40x60mm Prototyping Board https://www.banggood.com/1pc-Double-Side-Prototype-Breadboard-PCB-Printed-Circuit-Board-Tinned-Universal-40mmx60mm-FR4-Fiber-p-1135381.html?p=MR090611294926201706
1 × 24x LED Ring WS2812 https://www.banggood.com/CJMCU-24-Bit-WS2812-5050-RGB-LED-Driver-Development-Board-p-974188.html?p=MR090611294926201706
1 × 50mm Speaker http://www.dx.com/p/50mm-3w-speaker-driver-unit-black-silver-118192#.WYq2udOGPOQ
1 × 10mmx2mm Round Neodymium Magnets https://www.banggood.com/50PCS-N35-10mmx2mm-Round-Neodymium-Magnets-Rare-Earth-Magnet-p-931788.html?p=MR090611294926201706