DONT BUY THE HONEY BEE EXTRACTOR! It's a ripoff in my eyes. you can make the same thing in about an hour, for half the price, and more suited for your needs.
Just go to any canadian tire or your american version, and buy some abs tubing, a threaded cap for one end, a plain cap for the other end, and some abs glue.
Mine is about 1 foot long, 2 inches wide and i can pack about a half lb. of shake in at each time. I also included a handle with mine as running a case of butane through that bitch makes it get nice and cold.