Schleich RattlesnakeSchleich Rattlesnake Schleich model 14740 Product Dimensions: 5. 9 x 4 x 3. 4 cm Age: 3 years and up Released 2015; Retired 2020 One of the most misunderstood members of the animal kingdom, rattlesnakes actually play an incredibly important role in nature by controlling small mammal populations as predators and providing food to larger animals as prey. Hence, these cold blooded reptiles deserve to be seen as important parts of a balanced ecosystem.