Made this for a paper hunt at my daughters birthday. Allows 10 seconds of audio-recording using the greeting-card kit I used.
Recording can be played using a little button.

Used parts:

Greeting-card module (maybe use a similar kit because this exact kit maybe no more available):
https://www.conrad.com/p/conrad-components-191184-audio-recording-unit-component-45-v-dc-recording-time-10-s-191184

Button/switch:
https://de.aliexpress.com/item/32967024507.html?spm=a2g0s.9042311.0.0.27424c4d3Lz5Yo

4 machine-screws

Creality

Ender 3

No

No

200

38