The SmartNoggin Noggin Stik Developmental Light-Up Rattle helps you better understand your baby. This developmental rattle will help ensure you know if your baby is on track. Designed by an early intervention therapist, this child development toy helps you assess your baby’s abilities. You can interact, bond, and play with your infant using this child development toy. Additionally, this Noggin Stik comes with an easy guide with ideas of the best ways to tell if your infant is on track. Furthermore, this rattle responds to motion and lights up in three different colors. This helps your baby’s visual tracking skill, which is important for reading ability. The fact that this rattle has such a unique design will also entice your baby to practice their grasping and holding skills. This developmental rattle is sure to help your baby grow up smart.