Google Cardboard is the quick and cheap solution to get a Virtual Reality headset, so you can also visit exciting virtual worlds without having to pay a fortune.

This is clearly the cheapest way to get a 3D Virtual Reality headset. Still, it seems very convincing, and your iPhone or other recent Android smartphone is definitely trustworthy enough to convince you :)

We have made a list of the 23 best VR apps and games here. Try a ride on a roller coaster, go to alien planets, explore caves or choose from a lot of different games - there are a lot of options, and many of them are free in both Apple's App Store and Google Play.

We also offer Cardboard with your own print such as a company logo or something else, and it can be both on this type and other models - write to us and ask about them.

There are a lot of apps, and most are made by Google itself, but there are also many others who have already made free apps for Google Cardboard.

It is very easy to assemble the box - see video below - and put the lenses in the box, and then you use the included elastic bands to assemble the box.

We've tested it with the official apps from Google, and it's amazing how sympathetic they are.

These cardboard glasses are identical to Google's own, but are not produced by Google.

Here is an assembly guide: