Mac Mini + iPad Mini = touchscreen Mac

No keyboard or mouse, though.

Mac Setups: Dual Screen Mac Mini Server & iPad 2

Apple's new MacBook Air and iPad Pro: New floating case, trackpad support and lidar - CNET

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

Apple 2023 MacBook Air laptop with M2 chip: 15.3-inch Liquid Retina display, 8GB RAM, 256GB SSD storage, backlit keyboard, 1080p FaceTime HD camera, Touch ID. Works with iPhone/iPad; Silver : : Computers

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Apple unveils new 2018 iPad Pro, MacBook Air, Mac Mini, and Apple Pencil: Digital Photography Review

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