1. Prepare seven pieces of square colored paper with different colors, fold one of them in half, and draw the cross section of half a hot air balloon on it.

2. Cut along the outline with scissors, and cut out seven at a time.

Stick these seven pieces of paper together in turn and stick them on the upper left corner of the yellow rectangular cardboard.

Draw the shape of the hot air balloon basket on the red cardboard, write words in it, cut it out, stick it on the cardboard, and connect the hot air balloon with the basket with a black pen.

5. finally write it on cardboard? Happy Teachers' Day? Teachers' Day cards are ready.

A greeting card is a kind of card that people greet each other when they meet a holiday date or event. People send greeting cards on birthdays, Christmas, New Year's Day, Spring Festival, Mother's Day, Father's Day and Valentine's Day.