http://www.woodentoy.com/html/blockinfo.html
OK, but I'd add some columns out of 1" or so dowel stock, 3 to 6"
long. I'd make sure no pieces were small enough to choke a small kid;
and if any kids young enough to chew on them, I'd make sure it would be
a wood that wouldn't harm them, something like sugar maple. I'd make a
lot of pieces too. I'd say good for kids up to my age.
JOAT
"I'm an Igor, thur. We don't athk quethtionth."
"Really? Why not?"
"I don't know, thur. I didn't athk."