Carnival glass bowls are part of a larger collection of collectable items called carnival glass. Carnival glass is an inexpensive pressed glass to which an iridescent coating has been applied, giving it an oil-like sheen. The process is sometimes known as doping, leading some glass manufacturers to call it "dope glass". It originated in the early 1900s, and production waned in the mid to late thirties.

The company Fenton was the first and largest, widely recognized carnival glass producer. Fenton initially began life as a company which decorated blank glass produced by other companies. In 1907 it started creating carnival glass. When production started, Fenton glassware was marketed as "Iridill" or "iridescent ware". This was an instant hit and several other companies began producing and marketing their own carnival glass bowls.

In the late 20es, request for their products started to fade. This was caused by the decrease in sales during Depression time, and partly to the saturation of the market by glass companies too. To eliminate stock, companies started selling their wares at strongly discounted prices to carnivals, that then is used as prizes for their games. Many companies got out of business during that period.

In the fifties, carnival glass bowls experienced a resurgence in popularity. Glass collectors coined the term "carnival glass" for these creations after learning of their term as carnival prizes. Several companies began making reproductions, and to this day carnival glass, especially antique Fenton glass, is a prized collectable.

Presently, carnival glass can be found in auctions, antique shops, and online for various prices. Fenton antique glass fetches high prices, as well as other well-known carnival glass. Some of the more common colors are marigold, as well as dark hues like blue and green. The most prized and pricey kinds of carnival glass bowls are red or pastel colored. One rare ice-blue plate even sold for $16,327.55 on a popular auction website!

These are many ways to collect more information about antique collectibles- books, websites, newsletters, and other documents will help any interested person find out about the designs, shapes, and sizes of antiques available. Many organizations are devoted to bringing collectors together to help them learn more about collecting.