I made (and documented) a round pixelated display to carry around using 3Dprinting, #WLED and a stick. Its audio reactive, that means it listens to music and blinks accordingly to the beat: A festival totem (https://en.wikipedia.org/wiki/Festival_totem)
There is also #meshtastic node inside to share your location
If you want to further enhance your copy, I suggest to read the excessive documentation here:
https://github.com/ventilator/pixelstab