Create eye-catching presentations that are full of fun and excitement with these balloon templates. ❯ No Download Limits ❍ Free for Any Use ❯ No Signups.This activity includes 4 templates that your students can colour, draw and write to complete! To insert a speech bubble in PowerPoint click on Insert menu in the PowerPoint Ribbon. Then go to Shapes and insert one of the Callouts shapes. Plan your party with our Cute Illustrative Balloons Birthday Party presentation. Add a pop of pastel with pink and blue illustrated balloons.