When two neighbors receive mysterious boxes to be opened only for emergencies, each decides to use their box in very different ways.

"Gregory likes to be equipped for any situation and carries several essential items in his backpack like a feather duster, a colander, and even a kazoo! 'There might be a kazoo emergency,' Gregory explains to his new friend, Lola, on their way to school. Not long after, their school bus gets into trouble! As the bus gets tangled in a rope hanging from a hot air balloon and crashes into a dinosaur, Gregory wonders if this is just the kazoo emergency...