The product is a lot of 4 mixed vintage Yo-Yos from (1) Duncan, (2) oreo, (1) disney. Made of plastic, Duncan is an untested light up. No corrosion in the compartment. 6 Proyo 3 string packs, 2 Duncan 5 string packs, 2+ cosmos strings. These Yo-Yos are great to use or for a personal collection. They belong to the classic toys category and are part of the Yo-Yo character family. The assortment of colors and string materials adds a fun and nostalgic touch to these timeless toys. See pictures. Everything pictures is yours.