Today's Daily Brain Teaser (Feb 21, 2014)

Am I Sand?



I am neither inside the house,

nor outside the house.

Clearly you can see through my little charade,

because no house seems complete without me.



What am I?





Check Braingle.com for the answer.

from Braingle's Teasers http://ift.tt/Ohh5UZ

3d wooden brain teasers from craftypuzzles.com