What is the quickest instrument to build?

Question:we need an incredibly easy to build instrument that can be tuned to a G major scale.

Best Answer - Chosen by Asker: we need an incredibly easy to build instrument that can be tuned to a G major scale.

Mountain dulcimers can be pretty easy...I made one from a Hughes kit once.

Flutes can be made of PVC pipe pretty easily.

build the "flute" thing that peter pan uses.
make it out of plastic drinking straws and tape them together. the length of each straw needs to be proportional to the half and whole steps in the major scale

wooden flute or a conga especially