Train the muscle movements of hands and upper limbs, and improve the ability to solve new problems with the accumulated knowledge in the past.
Building blocks should be kept clean and scrubbed frequently.
When the baby is in a happy mood, face to face with the baby, help the baby stand under his arm, then lift the baby above his head and repeat it several times. You can also lift the baby from the father's left to the upper right, and then from the upper right to the left. Repeat several times and say, "So-and-so takes the spaceship and drives it!" "
Enhance the affection between father and son, and strengthen the game ability.
You can't throw the baby over your head and catch it, which will increase the probability of a concussion.