Papo RattlesnakePapo Rattlesnake Papo model 50237 Product Dimensions: 16. 2 x 4. 3 x 2. 7 cm Age: 3 years and up This flexible figure can be posed to create the perfect play moment. Rattlesnakes are unique because of their rattle, which is made of interlocking segments of keratin, the same material that makes up human fingernails. Each time a rattlesnake sheds its skin, it adds a new segment to its rattle. The rattle serves as a warning to potential predators and is