This cube, when printed, can hold 6 x WS2812B-64 8x8 LED boards, giving you a spectacular LED cube/matrix. Use an ESP32 unit and WLED software to control it.
Here are the links you'll need.
WS2812B-64 8x8 LED: https://s.click.aliexpress.com/e/_c33MIFVv
ESP32 C Mini: https://s.click.aliexpress.com/e/_c2w9vgZ5
USB cord: https://s.click.aliexpress.com/e/_c3Cjehr5
WLED: https://wled-install.github.io/