MY STAGE

Making my own roller coaster

作者：teens

亲自动手做过山车

Hello, I’m Christopher Antinoro. I’m 10 years old. I live in the United States.

Do you like to ride on roller coasters (过山车)? Do you know how roller coasters are made? You can make your own with materials (材料) in your own house. I made one.

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