Tony from Germany has collected more than 290,000 pens from 140 countries. He has collected pens for more than 10 years. The most expensive pen in his collection is made of gold! He also started a pen collecting club.

    Angelika from the UK has collected Barbie dolls since she was a child. She has collected 1,125 dolls. She changes the dolls' clothes once a month and often brushes their hair! She also collects dolls of Barbie's boyfriend.

    Ron from the US likes collecting key rings (钥匙扣). He has collected twenty-four thousand key rings since he was young. His key rings are all different-that means no two key rings are the same! He has been a world record holder for 13 years.

    Zhu Yue from China has collected erasers for 20 years. At the age of 11. she visited Shenzhen with her parents. For the first time Zhu Yue was fascinated (被迷住的) by erasers after she saw them in a shop. Ever since then she has collected every new kind of erasers. Now she has collected 100,000 erasers.