Check online, partycity.com, buycostumes.com and halloweenexpress.com all sell a variety of different Wizard of Oz costumes, although Merlin is not a character from the Wizard of Oz. But all those websites also sell Merlin and general wizard costumes as well.
Wizard of Oz costumes can be obtained from the following sites: http://www.wizardofozcostumes.com/, http://www.halloweencostumes.com/wizard-of-oz-costumes.html, and http://www.costumecraze.com/Theater-Costumes-Wizard-of-Oz-Costumes.html.
Through a straw
the lion suite
Patsy Cline (1932-1963) was a country singer. She was not in "The Wizard of Oz" (1939). There is no record of her appearing in any Oz production.
In the costume department particularly during the Halloween season is the place to get a Scarecrow costume on the order of that in "The Wizard of Oz."Specifically, scarecrows are popular choices for costumes and parties. They are linked in the public mind with crops, crows and pumpkins. They are beloved components of tailoring establishments, specialty shops and the costume departments in many stores.
You can't!
The scarecrow would be hard to recognize as being from the Wizard of Oz, too. The easiest to recognize would be the Tin Man. It would help if you and your spouse dressed as other characters from the Wizard of Oz.
Of course you could. Any dress could be used.
One can buy a copy of The Wizard of Oz on DVD from a multitude of sources, both in person in-store and on-line. Some such sources include Amazon, Walmart, Target and Barnes & Noble.
Online retailers are limitless in terms of options, but if you prefer to see what you're getting in person, there's always Walmart or any costume shop near you.
Yes. The wizard of Oz is a musical.
Disney princesses are always a good place to start. Dorothy from Wizard of Oz is another favorite. At the end of the day you could just take her to a costume store and let her pick what she likes.