Items required for making interior panels.

Item                         Lowe's Part#    Barcode         size       Cost

Thermoply sheathing board    15377     97362-35265           48x96     $5.17
Plastic Anchor 8-10x1"       46215                           #130       3.47
AT Nail for Drywall          69185                           #1 lb      1.69

                                                                       10.33

Enough material to do a coupe.

Only other items are a razor knife to cut the thermoply board, a carpenters square,
pencil, music and beer.  (caution - less beer means closer tolerances).