No key is with it but I was able to turn the mechanism post that a key would turn and it made the mechanism activate and turn the carousel. Please view the photos for detailed condition.
Gunthermann antique tin Wind-Up CAROUSEL Toy merry go round GESENIA antique" is in sale since Friday, February 1, 2019. This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Wind-up Toys". The seller is "possumtoe" and is located in Massillon, Ohio. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Uruguay, Iceland, Luxembourg, Macao, Paraguay, Reunion.