Step 3: We don't want the
border of the circle, so click on the
stroke color option on the tools panel and select no color option.
Step 4: Select the
Fill color for the circle, In here I have selected blue..
Step 5: Draw a circle of minimum size on the left side of the flash board.
Step 6: Now select the
selection tool from the tools panel (or)
press V to select it.
Step 7: Right click on the circle, and select
convert to symbol option.
Step 8: Give any name to the circle, In this case I have given "
circle_mov"
.
Select
Movie clip in Type option.

Step 9: Now get ready to animate the circle.
Rihgt click on the circle movie clip and select copy.

Step 10: On the time frames at the top, right click on the 30th frame and select convert to blank key frame.
Step 11: Now Right click on the flash board and select
paste in place option.
Step 12: Now
click and drag the circle, move it to the end of the right side.
Step 13: Click the first frame on the time line frames.
Step 14: Keep pressing
Shift key and click the 30th frame. So that all the 30 frames get selected.
Step 15: Finally
Right click on the selected frames and select
Create Motion Tween.
Step 16: Thats it your done!!! Now press
Ctrl + Enter to run the output.