Answer:
The eight of us move forth and back. To protect our king from the foes attack.
A little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
A mighty weapon in the war against winged household pests.
We are five little objects of an everyday sort. You will find us all in a tennis court.
You will find me with four legs, but no hair. People ride me for hours, but I don't go anywhere without needing to be tugged. Jerked or turned on, I always manage to be ready for work.
What did the piece of wood say when he saw the screwdriver and screws approaching?