Print out the letter x template and trace to construction paper. Cut out and glue to white construction paper or card stock.
Print out the xylophone bars and trace to different color construction paper. Cut out and glue from largest to smallest on top of the letter x.
Cut your pipe cleaners a little more than half and glue to paper. Glue the pom poms on top to make them look like the instrument's sticks.
Done! You have created the letter X xylophone.