Energy saving holiday lights

I saw these on Susnet's web page and thought it is not only a great idea-but beautiful. Looks easy enough to make the light balls for a tree or even in other colors for different holidays. I think I am going to make some for Valentine's day in pink, silver and red! Check it out at
http://www.sunset.com/home/natural-home/energy-saving-christmas-lights-00400000061671/