Audio Visual Project - I made a fun toy! lol - Ideas? Thoughts? Comments?

[PhynixViking]

SO! I made a fun "toy."
I don't know what else to call it then a toy. It doesn't have any "practical" uses and it if VERY simple, BUT its fun!
Here is a youtube video of it.



Ummm... yyyeeeeaaa Sorry I've been sick so I sound off and tired and bla!

But, anyone have any ideas?
Either way, thought it was something fun to share.
The Audio Amplifier used in it is a Stereo 15Watt in Bridged mode. With a VERY simple circuit.
All that is connected to the AMP IC is a transformer, with a diode bridge, a grand total of 3 capacitors and a couple resistors, a switch, led, and a potentiometer. That's it!

Notes covered in video or maybe forgotten about:
*Fan is 12v DC at 0.17 Amps anything more then 0.25 amps will not turn.
*The output from the "bench diode" bridge is very unstable DC. It varies from about 1v to 8v or so, very quickly. Adding a electrolytic capacitor did nothing. (well not much at all) I tried 33uf, 47uf, 100uf, 220uf, and 470uf no change noticeable.
*Speaker is 8 Ohm

Want to know anything else feel free to ask! ^__^

[SeanB]

Capacitor across the coil will help. Larger means longer time on, but then it needs more power before it switches on. You probably will be better off using a 6V relay on it.