1. Take a light yellow A4 cardboard and fold it in half along the center line to make a greeting card. Take a piece of brown cardboard, draw a cake shape on the paper and cut it out. Then take a piece of plum red cardboard, draw a cream shape slightly wider than the cake, and then cut it out.

2. Take a piece of white cardboard, cut out an arc-shaped strip as long as the cake, then cut out some small dots, stick the cut dots on the rose cream at will, and then stick the arc-shaped strip in the middle of the cake. Then stick the cake in the middle and lower part of the greeting card, then stick the cream on the cake, and then draw a line on the arc bar with a pink pen as decoration.

3. Take six pieces of colored paper with different colors and stack them together. Draw a circle with a glue stick and cut it out. Then cut the circle in half and stick the cut semicircle on the upper and lower sides of the greeting card in turn. After gluing, draw a small semicircle in the semicircle against the sideline with a colored pen darker than the semicircle.

4. Fold the remaining colored paper together and cut out six long strips, then take a light yellow square paper, first fold the paper in half along the center line and then into three equal parts, and then cut out six candlelight shapes after folding.

5. Stick six strips on the cake in turn, then stick the flame of the candle on the strips to make candles, then draw an outline on the flame of the candle with an orange colored pen, and then draw a diagonal decoration on the candle with a colored pen darker than each candle.

6. Write Happy Birthday on the cake with a brown marker. Such a beautiful birthday card is ready.