You should say:

　　What the toy was.

　　Who gave it to you

　　How you used this.

　　And explain how you felt when you got this toy

　　雅思口语part2高分话题范文参考：童年玩具(Describe a toy that you received when you were a child)

　　When I was a child, I received a Barbie doll as a gift from my father's friend. He bought the toy from the States.

　　I played with this Barbie doll almost every day. I begged my grandma to make clothes for her and dressed her like a princess or a super star. She was my favorite toy for a long time. I always put her besides my pillow.

　　I felt super happy when I received this Barbie doll. The doll had long hair, big eyes, and beautiful skirt. When I was a child, Barbie doll was very expensive and my parents couldn't afford to buy it, so Barbie doll had been a dream gift for me. To some extent, receiving the doll was a dream coming true. I saw it as a valuable gift and tried to keep it in a good shape. I also felt thankful for my father's friend who brought this happiness to me.