The Final (and hardest) Riddle

And here it is; the last one:


We're five little items of an everyday sort,
you'll find us all in a tennis court.


P.S. KBrocks cannot answer because she already knows what it is;)
P.P.S. If you can't figure it out, watch Batman Forever}

Code #4:

This one's easier...


If you look at the numbers on my face,
you won't find 13 anyplace.


Once again, good luck. You'll need it!

Code #3

Here's the third one, try your best!


The eight of us go forth and back
to protect our king from the foe's attack.

Figure it out.
P.S. KBrocks is not allowed to guess because she already knows the answer!

Code #2:

Here is the second code, good luck!

Take me out and scratch my head,
What once was red is black instead.

If you know the answer, please tell me in the comments area.

Hello readers, I'm back with code #1...

Here is the code, try to figure it out:

Tick, tock
Tick, tock
Big and round
Not a clock
Toss it high
Watch it go
But if you're not careful
It'll explode