0.42″ OLED screen in a Lego piece by James Brown

And here is where you can get one of those screens. But you’d need a Raspberry Pi to control it.

https://www.aliexpress.com/item/1005001676905300.html?af=103504&dp=6378_1668393823_5241d265f65844ca470ffe9cb6a9df03&cn=pcg-my-7773127871412557000&Afref=TechRadar