弹弓/弹射器 - 这是每个孩子都喜欢用橡皮筋做的玩具，但是如果你认为做弹弓很难，我相信还会有其他比较实用的方法。

Slingshot / Catapult – Every kid’s favorite thing to do with a rubber band, but if you think hard enough, I bet there are some practical uses for making one of these.

youdao

释放压力的橡皮筋球-如果做得够软，橡皮筋做成的球可是一个完美的释放压力的挤压式玩具。

Stress-Relieving rubber band ball - If made soft enough, a rubber band ball can make for a perfect stress relieving squeeze toy.

youdao

这是一个由软木和竹子做成的飞行玩具，它的身体是用纸做的，动力由一个橡皮筋提供。

It was a flying toy made of cork and bamboo. The body was made of paper and the power was supplied by a rubber band.

youdao