 Why does the group want to buy a hydraulic press?
"It has the purpose," I told her, "of teaching the members something about commerce and industry. They manufacture simple compositions like polishing waxes and sell them from door-to-door. Some groups have built up tidy little bank accounts which are available for later educational expenses." Mr. McCormack is going to put up fifty dollars to buy any raw materials wanted This was to be our headquarters and factory for the summer—a roomy unused barn belonging to the parents of one of the group members, Tommy Miller. "And all we'd need is a hydraulic press," I told him, "which, on a guess, might cost ten thousand dollars. There was a pause, then Tommy inquired, "How do you sell it?"
 They want to make ball bearings.
 They want to make cages for the mice.  They want to make ball bearings.  They want to make kites.  They want to make detergent.