In case something is missing, please contact us at contact@circuitmess.com. Send us a photo of everything that came in the box, and we'll get back to you as soon as possible to resolve the issue.    Here's the list of components:

1. Stickers 2. 3x AA batteries 3. Battery holder 4. Acrylic casing 5. Pushbuttons 6. 8x standoffs 7. 4x black bolts 8. PCB 9. Speaker 10. 2x metal screws