One A4 sheet of paper makes 4 elements. Fold each piece in half as shown below. Trace the outline in pencil (with the fold on the lower edge) and cut out.
This is a very pleasant activities for kids who are good at working with scissors. I guarantee at least an hour of peace and calm Kids can both cut away the shapes and link them together. Just show them how to do it.
Open the shape. It should look as shown above.
String together the individual shapes, alternating the colors.
Here are several alternative shapes you can use to make different kinds of garlands.