1. 1 * Holzbox (my has the dimension 20x20x20 cm, will also work with 16x16x16 cm)
2. 1 * Battery Pack (RAVPower 6700mAH)
3. 1 * Mini MP3 Player (AZDelivery)
4. 1 * Aduino Nano (AZDelivery)
5. 1 * Visaton vs-frs8 m (Speaker)
6. 1 * Visaton 1138 (Speakercover)
7. 1 * Switch (12V with LED Dot Light)
8. 3 * Arcade Buttons
9. 1 * RFID Kit RC522 (AZDelivery, Contains Reader, one Chip and one Card)
10. 1 * RFID Key-cards (as much as you need, just ensure the have the right frequency)
11. 1 * USB 2.0 Mini Male Extension-cable (screwable)
12. 1 * USB 2.0 A Extension-cable (screwable)
13. 1 * Neutrik NAUSB-W Reversible USB-laying 2.0 Socket, built-in Laying
14. 1 * Herman 5028 (Universal Labels, self-adhesive)
15. 1 * Buckle (To keep tiny fingers out..)
16. 2 * Handles
17. 1 * Circuit board (is not needed but makes your life easy)

http://tonuino.de/