Amazon has the Gameband for Minecraft, Large for only $19.97 (Reg $79.99) with Prime Shipping. The Minecraft Gameband allows the Minecraft fan in your family to play their Minecraft game anywhere, anytime on any computer. It features automatic back-up of the entire Minecraft folder with no complicated installs. Simply plug Game band into the USB port of a Mac, Windows or Linux computer and click on the Game band App to play.
If you are not already a Prime Member you can join with a 30-day free trial of Prime, as a student with Prime Student, or as part of Amazon Family.
Please note that Amazon prices are subject to change at any time and may have increased or decreased since this offer was posted.