Extra Small- 14mm "small creature" gaming miniatures, no bases.
Small - Gaming miniatures style, with bases.
Medium - Standard, approximate 1" figurines.
The eggpos were a $5 and up "Prize Size" release for June of 2017 from the Prize Inside! Patreon. Patrons receive copies of the 3d files to print as many times as they like for personal use, using either home printers or printing services. After 30 days most patreon releases go up on Shapeways, as this one has.