Answer:
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
When I get closer my tail grows longer but when I go away my tail leads the way.
What is always in front of you but can't be seen?
What word becomes shorter when you add two letters to it?
I go in dry and come out wet. The longer I stay in, the stronger my surroundings get. What am I?
What never gets any wetter no matter how hard it rains?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic