Adorable animals welcome friends to a special birthday party for your little boy on these unique kids birthday invitations. The tri-fold card opens like an accordion to reveal a cake inside with the birthday boy's name and birthday year decorating the cake. There's plenty of room to add your personalized party details on the third panel. Flip it over to see more adorable animals celebrating. The artwork is not editable, but all the text is. Look for our matching address labels, kids party decorations and thank you cards! Our matching personalized children's book, My Very Happy Birthday Book for Boys, makes a wonderful gift!