I was considering doing a cupcake tree, with all chocolate & chocolate bc cuppy's, with a bundt on the top oozing red icing, maybe the sparkle stuff that wilton sells. But no.....he wants a stacked cake (have no clue how to do those yet). unless I do a 12,10,8 with a bundt on top, and try to carve it down. I guess a volacano isnt really smooth anyway, so if it's bumpy or messy, it'll look ok. I have some chocolate rocks also, so those could be around the bottom.
Do a search on Google for volcano cakes and you will get a lot of results I tried to download a diagram that I found I hope it works. They used:
Bundt cake base
Dome cake middle (baked in medium bowl)
Inverted cupcake peak
They inserted a glass in the center and added dry ice and water.
The website is finkbuilt.
Hope this helps.
Pam
Thanks. Its a place to start I think if I put a dowel down the middle of the stacked cakes and maybe carve just a little to taper the top.
I also was thinking of making the cake out of red velvet and using
the carved pieces for rocks on the bottom. Any other ideas will
be appreciated.
I did a really quick and simple one once for a little boy who was into dinosaurs. I baked a 9"round, cut a large triangular wedge out of the front. Then used that wedge to make a volcano on the top. I covered the cake in various shades of green to look like a dinosaur land and piped red icing flowing from the top of the volcano and down the wedge onto the board, then placed toy dinosaurs around it all. It certainly wasn't the prettiest cake I've ever made, but the little boy liked it and it was easy.
Look on the Food Network website under Semi- Homemade (the show with Sandra Lee). She did a cute one not too long ago and it has the instructions on how to make it (complete with cake sizes). It looked pretty cool!! 
I googled "erupting volcano cake" & found this:
http://recipes.chef2chef.net/recipe-archive/41/222201.shtml
I may have to try it!!
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