These are really easy to make with a styrofoam or florists ball, some fine wire, a glue gun and a sturdy branch from a tree. I have made bigger ones and I weave battery operated lights around the ball. They look amazing.
A foam cone becomes a sparkly miniature tree when covered with pearls, rhinestone earrings and vintage crystals. More easy Christmas crafts: http://www.midwestliving.com/holidays/christmas/easy-christmas-crafts/page/29/0