Cyber ​​baubles are glow-in-the-dark jewelry you can make yourself. If you're completely new to soldering, this craft is an easy way to try it out. However, if you're more experienced, it's still fun and you can come up with interesting designs and decorate yourself for the festival.
Kids can make them too.
You can find ideas for baubles here: https://www.instagram.com/cyber_baubles/