How to make Teacher's Day cards by hand?

Prepare seven small square colored papers with different colors, cut out the cross-sectional shapes of seven hot air balloons, stick these seven papers together in turn, stick them on the upper left corner of yellow rectangular cardboard, draw a hot air balloon basket on red cardboard, cut it out, stick it on cardboard, connect the hot air balloon with the basket with a pen, and finally write a blessing on the cardboard, and the Teacher's Day greeting card will be ready.