Answer:
Different lights do make me strange, thus into different sizes I will change
Blend a teapot shot so the pearlies won’t rot!
I am a box that holds keys without locks, yet they can unlock your soul.
Voiceless it cries,Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters.
My first is nothing but a name; my second is more small; my whole is of so little fame it has no name at all.
I have feet on my head
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?