請(qǐng)根據(jù)提示，猜猜這4張圖都是什么。

1. It’s sweet. It’s made from flour（面粉）， eggs， butter（黃油） and sugar.

2. It flies in the sky. You hold a long string（線） when playing with it.

3. It shows time. We wear it on our wrists（手腕）.

4. It’s a thing for children to play with.