How would you build the idea tail yellow body ?

tail yellow body is mentioned 1 times in Dorothy and the Wizard in Oz . Here are some examples of Instructions, 3D Models and prior art. What sort of materials would you use to create this idea?

Dorothy was too dazed to say much, but she watched one of Jim's big ears turn to violet and the other to rose, and wondered that his tail should be yellow and his body striped with blue and orange like the stripes of a zebra. Then she looked at Zeb, whose face was blue and whose hair was pink, and gave a little laugh that sounded a bit nervous.
Dorothy was too dazed to say much, but she watched one of Jim's big ears turn to violet and the other to rose, and wondered that his tail should be yellow and his body striped with blue and orange like the stripes of a zebra. Then she looked at Zeb, whose face was blue and whose hair was pink, and gave a little laugh that sounded a bit nervous.