The product is a rare vintage 1960's BO-YO by Duncan AMF Amflite bowling balls yo-yo. Made in the United States, this classic toy features the iconic Duncan brand and is a collectible item that harkens back to the era when yo-yos were a popular toy for children. The bowling balls design adds a unique twist to the traditional yo-yo, making it a sought-after piece among collectors of vintage toys and enthusiasts of classic toys and hobbies.