Kids can have fun as they discover the speed of the fastest animal, which insect can jump 500 times its own height, how many muscles you use when you smile, and dozens of other interesting and surprising facts. Each of these 46 challenges poses a question that can be answered by following a maze to its end. Solutions provided. Nature Fun Facts Mazes and other Spark titles offer a wide variety of engaging activities that will foster creativity in children ages 6 to 10. Previously published as Nature Trivia Mazes.