Simple! Find the pure white color blocks. It is very hard, you hard to see which one is true white color.
Among
Texas
Where
Simon
Princ
Stick
Funny
Join
Ball
Skate
Alham
Ball
Dress
War P
Beaut
Color
Princ
Newli
Hen F
Stack
Robot
Ben 1
Snowb
Marti
Go Do
Shape
Marbl
Fruit
Hungr
Stage
City
Merge
Arena