Be Kind Lottie Doll. Lottie knows how important is is to be kind wherever she goes. Look at her cute denim pinafore featuring "Be Kind" love heart print. Lottie Dolls are a range of relatable dolls that are inspired by children to empower and celebrate childhood. Lottie isnt a slave to lurid pink and she isnt interested in being a mini-adult. She's like any 9 year old little girl. Age 3+