More to explore:
No sew ornaments with a Styrofoam ball.
kidstuff ♥ wool wrapped tree ornaments
Christmas ornament idea using styrofoam balls-hang in trees out front.
kidstuff ♥ twig tree ornaments
zakka life: Kid Craft: Twinkle Pom Pom Ornament
scrap fabric ornaments
Quilted Ornament Ball Purple
Button kissing ball/ hanging ornament - looks like a styrofoam ball form and assembled with fabric pins through the button holes.
fabric scrap tree.
small styrofoam balls and straws
Styrofoam ball + glue + yarn = Christmas ornaments
Styrofoam ball, buttons and pins. ooh, perhaps something that would be fun to do with grandma's old buttons