Making New Friends - There's someone new living in the World Tree - she's Riona, a cute, baby sloth, but how did she join the rainforest family? Curriculum Objective: Meeting new people can be intimidating, but making new friends is wonderful. Little Things - Riona helps Bob show everyone in the World Tree how little things they can do to help the environment can become a big help. Curriculum Objective: The world is big, but we can make a difference in our environment no matter how small we are.