Mia wants an animal. Her favourite would be an elephant. But mum is very practical. And so Mia gets a bean. 'It's also a living thing,' says Mum, 'you have to take really good care of it. That's fine, Mia thinks, so now the bean is her pet. Being a plant carer is great. The baby bean grows into a little plant that Mia takes for a walk in her doll's pram and supplies with garden hosepipe lemonade. And the bean gets bigger and bigger ....