Answer:
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead. What am I?
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
Things here are usually tagged with red stickers.
I am black within and red without; with four corners round about. What am I?
I am known for my natural tuxedo and marching. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?