How to do blind box and blind bag?

Step 1 Make a blind box and prepare colored cardboard, scissors, glue stick, pen and ruler.

The second step is to draw a square on the cardboard with a pen and ruler.

Step 3 draw a square with the same size on the left and right sides of the square.

The fourth step is to draw a square with the same size above the square and two squares with the same size below the square.

The fifth step is to draw five small trapezoids on the sides of the left and right squares and the bottom square.

Step 6 Cut out the outermost contours of all the figures with scissors.

Fold every line on the picture by hand.

Step 8: First surround the left and right four squares together, put a glue stick on the trapezoid and stick the four squares on the side of the box.

Step 9: After putting something in the middle of the box, stick glue sticks on the trapezoid on the left and right sides, and stick them with the square on the side to form a cube, and then make the blind box by hand.