Attaching Symbols to Mouse

1. Open a new document by clicking on File -> New. Insert -> New Symbol.

2. Name this symbol as 'Ball' and behavior to Movie Clip. Create a small ball at the center of the screen with blue black gradient.

On frame 5 press f5 and change the balls color to Red Black gradient. Repeat step 3 and 4 and keep changing the gradient colors.

3. Insert New Symbol again and name this symbol as 'Moving Balls', and behavior set to Movie Clip.

Change Layer 1 to Ball1 and insert Ball symbol on frame1.

4. Insert a new layer as Ball2 and on frame 5 insert another instance of Ball from library on stage.

Create around 6 layers like this. Refer fig. A.A.1

Click to enlarge

5. You can give some more animations if you like. Now back to scene 1.

6. Insert 'Many Balls' Symbol on stage.

7. Right click on symbol and click Actions.

8. Goto Actions -> Movie Clip Control -> Start Drag.

9. Check on Lock Mouse to Center. 10. If you want to hide the mouse then goto go Objects->Movie->Mouse -> Methods -> Hide. Move Your Mouse....

Download Source here.