Answer:
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
When it comes to me, you go on red and stop on green. What am I?
I wear a red robe with staff in hand and a stone in my throat.
I am perfect with a head perfect without a head; Perfect with a tail perfect without a tail; Perfect with either neither or both.
A little house full of meat, no door to go in and eat.