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Published 12:26 4 Aug 2015 BST

All you need is a CD case, something to cut it with, a pencil, ruler and paper and some tape. It's brilliantly simple and only takes 10 minutes.
Very basically, you need to cut out four trapezium shapes from the CD case and tape them together to make what looks like a pyramid with the top cut out.
Look, it's harder to explain than actually make. Watch Kyle Hill talk you through the simple procedure...
Once you've made your 'trapezoidal' shape, you simply place it on the surface of your smartphone screen and play this video. Hey presto - you have entered the future...
https://www.youtube.com/watch?v=Wsg8KDKVNGEExplore more on these topics: