Headz Elderz is a modular library of fully rigged 3D elder head models designed for use in applications, games, and visual materials. The collection includes both male and female base heads in three distinct skin tones, featuring lip sync capabilities and standard ARKit blend shapes for facial animation. The assets are provided as Blender source files and include a custom generator tool to simplify head manipulation and customization. The modular system allows users to combine different facial features, hairstyles, and accessories to create varied character designs. The female heads come with 11 hair types, six accessories, 40 poses, and 27 hand gestures. The male heads feature eight hair types, facial hair options, 10 accessories, 40 poses, and 15 hand gestures. Additionally, the package contains 5,000 high-resolution rendered PNG images of the characters.