Below is where I found these, but they'd be great faces on balloon designs too: Snowman Faces Embroidery Machine Design Details. Use for Hand Embroidery snowman, doll faces.
'let it snow.' christmas button card by the hummingbird card company
Button Wreath 20 + DIY Christmas Cards for Kids to Make
Fingerprint snowman card or put them on lunch bags.
Fingerprint snowmen on an ornament instead.for grandparents.