![Challenge Entry: Solving things with Science [challenge entry]](/images/board_posticon_c.gif)
From the Solving things with Science challenge. See all 53 entries (closed)
( , Thu 8 Nov 2012, 11:16, archived)

it's on the back row of testtubes. Second from the left.
You just can't see it
( ,
Thu 8 Nov 2012, 11:25,
archived)
You just can't see it

( ,
Thu 8 Nov 2012, 11:28,
archived)
