The new multi-territory deal will see Jakks Pacific distribute and market a range of products including dolls, play-sets, role-play and dress-up products. The line is due to launch in autumn 2012.
Leigh Ann Brodsky, president, Nickelodeon Consumer Products, said: "The Winx Club is a great opportunity for us to bring engaging entertainment to our young girl audience.
"The Jakks Pacific product line will reflect the guiding principles of the Winx Club that appeal to girls: self-expression, friendship, adventure, magic and fashion."
Stephen Bermas, president and CEO of Jakks Pacific, added: "We are thrilled to be the master toy partner for Nickelodeon on their innovative new brand, Winx Club.
"We are looking forward to bringing a comprehensive line of products to market, full of the positive messages and girl empowerment that Winx Club epitomises. Winx Club is an exciting new initiative for Jakks for 2012."