How to make paper box

Fold the A4 piece of paper so it looks like this

Cut along the side

So it looks likes this

Open it out and it should look like a square

Fold in half

Open out

And fold the other way

SO it is split into 4 squares

Fold one corner into the middle

Another corner into the middle

Another

And the last one

Fold one side into the middle and make a crease

And the other side

Let go and it should look like this

Fold one side out

And another side out

Fold the two sides back in

And then open it out

Turn it vertical and then fold to make a side

Do the other side

Let go and it should look like this