Mac Mini + iPad Mini = touchscreen Mac

No keyboard or mouse, though.

App Turns iPad into Second Monitor for Mac

Apple Finally Updates the MacBook Air and Mac mini, and Revamps the iPad Pro - GatorTec - Apple Premier Partner

Touchscreen Macintosh Classic Mac With an IPad Mini for the Screen : 5 Steps (with Pictures) - Instructables

Universal Control: use a single keyboard and mouse between your Mac and iPad – Apple Support (UK)

IPAD MINI 5TH GEN LCD ORI NEW MACBOOK IPHONE IPAD APPLE WATCH IMAC MACPRO MACMINI PC LAPTOP WORKSTATION DATA RECOVERY PROJECTOR PRINTER, Computers & Tech, Laptops & Notebooks on Carousell

Gurman: Apple's mysterious 20 foldable could be MacBook/iPad hybrid with touchscreen keyboard - 9to5Mac

Touchscreen Macintosh, Classic Mac With an IPad Mini for the Screen

Review: Duet, the app that turns your iPad into a Lightning-connected Mac monitor - 9to5Mac

Touchscreen Macintosh Classic Mac With an IPad Mini for the Screen : 5 Steps (with Pictures) - Instructables

Mac Setups: Dual Screen Mac Mini Server & iPad 2

Here's How Apple Should Have Combined the iPad and Mac Mini, by Savannah Reising

Use your iPad as a Mac Mini monitor - unleash ultimate portability

Making a Portable Mac Mini

478 Apple Mac Mini Images, Stock Photos, 3D objects, & Vectors

Apple iPad mini 4 Wifi + Cellular 128GB - Gold MK8F2LL/A