Step 1:
The box paper is twice the size of the lid paper.

Step 6:
Repeat steps 4 and 5 over these lines.

Step 5:
Prefold over these two lines.

Step 2:
This is the box paper, it's pink on the front and white on the backside.
Prefold over these two lines, all three parts are the same size.
Then, turn the paper.

Step 4:
Fold over these lines, the mountain-folds are already prefolded.

Step 3:
Prefold over these two lines.

Step 10:
Repeat steps 8 and 9 with these three edges.

Step 8:
Pull/fold these two edges straight upwards, use tape or glue to fix them to the model.

Step 9:
Pull/fold this edge upwards, use tape or glue to fix it to the model.

Step 7:
Fold both edges straight upwards

Step 16:
The box itself is done.....

Step 15:
Press/fold each flap to the left and glue/tape it to the model.

Step 12:
Fold/push both flaps to the left and glue or tape them to the model.

Step 11:
Fold these three edges straight upwards too.

Step 14:
And fold these edges upwards too

Step 13:
Repeat steps 11 and 12 with these three edges.

Step 19:
Use tape or glue to connect the edges, see arrows.

Step 18:
Fold/pull each corner inwards and each edge straight upwards.

Step 17:
Prefold over these 4 lines.
Use the width of the box as guidance.