The Amazing Opposites series comprise easy-to-use teaching picture books created for early childhood learning with bright, fun colors and illustrations that help prepare your preschooler for kindergarten. This is the perfect learning tool for your preschool child aged 3-5.The series focuses on opposites-in different applications. The more a child sees and hears the same thing, the easier it is to remember it; this is called repetitive learning. Up, down, open, close; your child will be able to identify opposites in no time at all with the Amazing Opposites series.