2. Cut circles along the line. Be careful not to cut them to the end. The thickness of each circle is 7 mm.
3. From big to small, slowly roll the note into the shape of a rose along the spiral shape just cut. Repeat the above steps, and you can make colorful roses with different colors of colored paper.
4. Stick double-sided tape on the bottom of each rose; Fold the white cardboard in half and stick the folded roses on the cards respectively.
If you write a message to a friend on the front of the card, you can decorate it with pens of other colors.
6. Open the card and draw an ellipse on it. Around the ellipse, draw your favorite color pattern with watercolor pens of different colors.