please identify instrument

I know this is a bonehead question but I'm stumped. What do you call that wooden box with the different-sized, sawn keys that you play like a Xylophone?
I wanna get one for my son so when he wants to bang on something, I'll at least get some exotic sounds.

thanks!

Tongue Drums?

http://www.silverbushmusic.com/tonguedrum.html#anchor102016
http://larkinthemorning.com/category.asp?c=92&bhcd2=1138212556

[ Edited by: mbonga 2006-01-25 10:09 ]

Also known as "Slit Drums"

http://www.jamesjonesinstruments.com/slitdrum/slitdrums.html

That's them! I'll turn that boy into the next Chaino. thanks, guys :)

what a great idea.