1. On the Annotate tab, in the Annotations group, click Balloon Note. 1. Click Insert > Balloon.Basic tutorial how to add balloons into drawings. This Creo Parametric tutorial shows how to rearrange BOM balloon quantities using the Split, Merge, and Redistribute commands. This is the way you can create custom balloons in cre parametric and you can use multiple symbols as a custom balloon in the same drawing.