I've been meaning to put together a cigar box guitar kit, but I just haven't gotten around to it.  However, these ukulele kits have been pretty popular.  

You get all the major parts you need to build a ukulele:
-Body
-Neck
-Fingerboard (& mother of pearl inlays)
-Tuners
-Nut, Bridge & Saddle
-Strings
-Sound hole decal
-instructions

You'll need to have the following recommended Tools & Supplies:
—Wood Glue
—Finishing Supplies
—Rubber Bands
—#180, #240, and #320 Sanding Paper
—Sanding Block
—Masking Tape
—Razor Blade
—Coat Hanger
—C-Clamp
—Drill Bit Set
—Tack Cloth
—Coping, Jig, or Scroll Saw (Optional)


$48 + $10 U.S. shipping