Whistles Kit Only $28    
Low-D Kit  - You get a Low-D tonebody with holes drilled, the couplers already cleaned out, the black delrin coreblock turned and pre-cut.  Comes with plumbing codes still printed on tube and with various measurement lines.   Cleans easily with acetone.

Your job is too line up the pieces, glue it together, shape the beak section and clean it up. 

Or -- Whistle Makers Anthology Book, VCD Video and Low-D Kit:   $50