Can you rise to the Ultimate Challenge? It's time to find out, with this interactive book of weird, wacky and bonkers challenges for kids. Can you master the task of drawing a cat while blindfolded? How quickly can you get a cookie from your forehead to your mouth without touching it? Can you win a rap-off? How about balancing an ice cube on top of your head? Work your way through each hilarious challenge, recording your best scores along the way. Some are solo challenges, some can be done against a friend, and for others you can rope in the entire family.