Answer: A hedgehog.
Why: A hedgehog is small and covered with spikes like a little spiky ball. When it is scared it curls up into a ball. When it feels safe it uncurls and can sniff or huff and walk away.
Clues for a 4-year-old (step by step):
- Spiky: It has lots of little spikes on its back.
- Huffs: It can make a little sniffing or huffing sound.
- Uncurls and runs: It curls into a ball to hide, then uncurls and walks or runs when it is safe.
Fun game to play: Pretend to be a hedgehog: curl up into a ball with your arms, make a soft huff sound, then slowly uncurl and tiptoe away like a hedgehog going for a walk.