You paint the bricks blue?
You can get blue bricks from legoshop.com.You just go to pick a brick.
Glass.
Glass
Glass! Its a trick question. They want you to say green bricks!
Plants
No one does. This is because you can't trade or mail bricks. Hope this helped!
Glass.
A greenhouse is made out of glass or at least some sort of translucent plastic. (This is a trick question since folks will likely say green bricks.)
Maybe blue is an easy target
All you do is get a cheats book from gamestop.
yellow blue black and red
trade scrap yard joe for 5 blue Lego bricks