Originally Posted by MsMeeple

I think you have to give it enough water but not too much water.
We picked a jar that we thought was big enough for a real hand to fit in and then put it in.
You can see the results in this photo on the upper shelf on the wall. Of course it looked creepier without the camera flash

http://www.msmeeple.com/copper/album...d/IMG_0368.jpg

MsM