Spring is in the air, and Richard Best is about to celebrate his birthday. He suspects his sister Holly is throwing him a surprise party, but there is a major problem. He accidentally squashed her precious egg carton jewelry box, and she is going to be furious when she finds out! As if that is not enough trouble, Richard and his best friend Matthew have an even bigger disaster on their hands. They were supposed to help move a giant wheeled rabbit onto the stage for the school assembly. Instead, the monster rabbit rolled completely out of control and crashed right off the stage. Now the boys are in a race against time to put the giant rabbit back together before the big show on Thursday. You will laugh out loud as Richard tries to fix his messy mistakes, save his birthday, and survive the wildest spring assembly ever.