diff --git a/3-99 Research/Haskell/baby.hs b/3-99 Research/Haskell/baby.hs
index d75553a1..54be4999 100644
--- a/3-99 Research/Haskell/baby.hs	
+++ b/3-99 Research/Haskell/baby.hs	
@@ -7,3 +7,5 @@ doubleSmallNumber x = if x > 100
                       else x*2
 
 doubleSmallNumber' x = (if x > 100 then x else x*2) + 1
+
+setBuilding = [x*2 | x <- [1.10], x*2 >= 12]