Home pet DIY flap door

Buy on Aliexpress the Door for the cat (Pets) with lock

Price — from 6.5 USD

A very useful thing, sometimes brown and white.

DIY carton VR Box — Google cardboard for just 1$

Buy on Aliexpress DIY cardboard VR box aka Google Cardboard
Price — 0.99 USD

I decided to try, what really is virtual reality from your smartphone for just $1

On Aliexpress you can find a huge number of different VR box of all generations, but in order to test, like it or not, will pull a smartphone and not spend a lot of money — it was decided to order the simplest DIY cardboard VR box 1$