This is the case for LEDice. The two parts click together easily.

LEDice is a compact, battery-powered electronic die. At the push of a button, it simulates dice rolls and displays the results on an LED screen. You can roll various types of dice, from D4 to D20, and even multiple dice at once! The brightness is also adjustable.

For details visit [https://github.com/nils-keller-dev/LEDice](https://github.com/nils-keller-dev/LEDice) or [https://www.etsy.com/de/listing/1784183580/ledice-kompakter-elektronischer-wurfel](https://www.etsy.com/de/listing/1784183580/ledice-kompakter-elektronischer-wurfel)