Yes. There is one port on the Duet: a single USB-C port that's capable of 18W (9V/2A) charging and 1080p 30Hz video output (though you'll get bumped down further to 720p 60Hz on most monitors). To connect to a HDMI monitor, you will need a USB-c to HDMI adapter.

The Lenovo IdeaPad 3 17 Laptop, model number 81W2004AUS, is made of PC/ABS Plastic.

That will depend on the requirements and compatibility of the game you want to run. We recommend you check with the game's software publisher's web site for their compatibility with Windows 10 Home 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration.

That really will depend on the specific requirements and compatibility of the software the student will be using. The Lenovo IdeaPad 3 14 Laptop, model number 81W0009DUS, ships with Windows 10 S-Mode Operating System. Windows 10 S-Mode provides added security by only allowing APPs available ( and therefore certified by Microsoft) at the Microsoft Store. If you don't need the added security or you need to install APPs not available at the Microsoft Store, you can switch to standard Windows 10 Home 64-bit Operating System, at no additional cost. Here is a link to instructions for switching from Windows 10 S-Mode to Windows 10 Home: https://support.microsoft.com/en-us/help/4456067/windows-10-switch-out-of-s-mode. We recommend you check with the software publisher's web site for their compatibility with Windows 10 S-Mode 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration.