Intricuit’s Magic Screen gives your MacBook a touchscreen and a stylus
Intricuit's Magic Screen is a tempered glass panel that snaps onto a MacBook display and adds touch and stylus input. It fits Air and Pro models from the M1 and M2 generations forward, works detached as a pen tablet, and sells only through Kickstarter.
We haven't written up this one. The Gadgeteer has the full story — the link below goes straight to it.