The teacher brought the watch replica come and point components, such as a short needle. Long needles, needles, then let the students help each other say that each type of needles to tell time?
Teacher brings replica watches Then the various components such as needles, needle length short second and then assign students to say the needle each time different.
The teacher brought the clock model. Then point components, such as short needle, needle length, second hand, and students to help said needle each kind tell time difference?