After coming to the U.S. Google Store in February, Cardboard VR units are now available to purchase in Canada, the UK, France, and Germany.

Available for $20 CAD, £15 and €20 in Canada, the UK and Germany/France respectively, the unit is the redesigned second-generation Google Cardboard. Google is also selling two-packs of the VR viewer for $35, £25 and €30 in each region.

Google notes that there are now "thousands of VR apps and games and a variety of captivating YouTube videos made to view with Cardboard," including Paul McCartney, New York Times, and Star Wars.

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It's unclear whether Google plans to stock more versions of the Cardboard VR viewer; additional units, such as the Mattel View-Master VR and Goggle Tech C1-Glass VR Viewer, are for sale on the U.S. Google Store.