Sega Toys have created toys for children's franchises such as Oshare Majo: Love and Berry, Mushiking: King of the Beetles, Lilpri, Bakugan, Jewelpet, Rilu Rilu Fairilu, Dinosaur King, and Hero Bank.

Products by Sega Toys released in the West include the Homestar and the iDog.

It was one of Japan's largest and most prodigious post-war toy manufacturers and an early participant in the growing radio control market.

The company focused on the production of thousands of different electrically operated and mechanical toys through the early 1970s.

Yonezawa briefly dabbled in radio control in the mid-1980s with the introduction of the 1/10-scale Wave Hunter buggy, sold in North America as the Monogram Lightning.