2, the color should be rich. In addition to perceiving black and white first, the baby's visual development first sees three colors: red, yellow and blue. Bright and rich colors can cultivate your baby's perception.
3. polymorphic. Rich shapes can also help the baby's cognition, and regular grasping can stimulate the nerves of the hand and exercise flexibility and coordination.
4. Early education ball is recommended to be introduced in about 6-8 months, and the baby begins to be interested in things around him, which can train the baby's perception and grasping ability. Buy it and let the baby play by himself. You can also put it in water when you take a bath.