Summer Reading Program Riddles

What's soft, white, and comes from Mars?

What does a unicorn call its father?

Why shouldn't you believe what dragons say?

Because they're full of hot air!
What do you get if you cross a galaxy and a toad?

Star Warts!
What do you call it when there are a bunch of giraffes stuck on a street?

A gi-raffic jam!
What's gray and wrinkly and jumps every 20 seconds?

An elephant with the hiccups!