Around Christmas time, most arts & crafts stores sell clear glass ornaments for you to personalize and decorate.
Glass ornaments can be purchased from many retailers. Some of these retailers include Home Depot, Amazon, Etsy, Ikea, Sears, eBay, Macy's and Pinterest.
I just recently was able to get some at WalMart in the craft section... sort of in with the floral supplies.
A crafts store
There are many places one might go to purchase mercury glass ornaments. In addition to a Hallmark store, one might also try purchasing from the Amazon website.
You can find hand blown glass Christmas ornaments at this site (http://www.christmasforest.com/cat.taf?cat=3&HDR=ornaments). Halloween glass ornaments are on this site (http://dapolonia.com/46-halloween-glass-ornaments).
glass and metal
Several online sites offer miniature Old World glass Halloween ornaments. One website to try is Christmas Traditions, Christmas In Prescott and Kann Imports.
Glass ornaments, such as the ones that are used today, were first used as Christmas decor in Germany in the mid 19th century. Today, the ornaments are used because of the look they provide.
"The German Faimly That Hand Paints Glass Christmas Ornaments"
ornaments and articles made from glass.
radiolarians
Hint: It's a glass but it's made from ...
There are a number of places where one can buy wooden ornaments, especially Christmas tree ornaments. Wooden ornaments can be found at stores such as Bed, Bath, and Beyond and they can be found for purchase on websites such as Amazon or eBay.