Once I had a boy who worked experimentally with Tinkertoys in his free time.

我曾经有一个男孩， 他在空闲时间用 Tinkertoys 做实验。

Five years ago, when I taught art at a school in Seattle, I used Tinkertoys as a test at the beginning of a term to find out something about my students.

五年前，当我在西雅图的一所学校教艺术时， 我在学期开始时使用 Tinkertoys 作为测试来了解我的学生。