Mac Mini + iPad Mini = touchscreen Mac

No keyboard or mouse, though.

Making a Portable Mac Mini

Buy iPad mini - Apple

Touchscreen Macintosh with iPad

Luna Display Turn your Mac or iPad into a second display

App Turns iPad into Second Monitor for Mac

Mac Mini + iPad Mini = touchscreen Mac

It's a touchscreen Mini-Mac! - Yanko Design

iPad mini (6th generation) · aa mac

the wireless iPad Pro touchscreen Mac Mini Setup!

Next iPad Mini Will Allegedly Feature Thinner Bezels, USB-C Port, and Touch ID Power Button - MacRumors

New Mac Concept Envisions a Beautiful Mac Mini-Form Factor With Face ID Added - Check Out The Images

Apple iPad Mini 2 7.9 Inch LCD Touch Screen Tablet PC (A7 Processor, 1GB RAM, 64GB HDD, 5 Megapixel Camera, Bluetooth 4.0/WiFi, Mac OS – Black : : Computers & Accessories

Video: We Turned an iPad Pro Into a Mac Mini Display With the Luna Display Adapter - MacRumors

Apple Macintosh Retrofitted With an iPad Mini A Touchscreen Mac - Singapore