Infants usually love to be hold and face toward the outside
First, you can use some big color ring, bracelets, leg ring, soft cloth balls and pieces of blocks; Plastic toys that can hit, grip, and make sound; Colorful picture cards, for the baby to do any activities, and good for body development of the baby.
Second, when the baby would seize the toy on the desktop in front him though not accurate, you can prepare him some of the toys made of varieties of textures, in multiple colors, and easy to grip: such as rattles, table tennis, walnuts, small round metal box, tumbler, small building blocks, teaspoon, blow molding or rubber animals, velvet ball, plush ball and so on.
Third, 6 months ago, the infants' sight will move along with moving of the mirror. Prepare baby a mirror, and let the baby see the 'little partner' in the mirror. You will find that the baby's intimacy reaction to this small partners, in fact, is reflection of his trust and sense of security to others and to the surrounding environment, this is just one part of the social content, which is very good to foster the baby's social affinity and to rich the baby's visual experience.
Fourth, the baby needs the warmth of maternal love and a sense of security, you can choose some of the feel gentle, simple styling, larger plush toys, put beside baby hand or on the bed.
Fifth, when the baby shows interest in the surrounding environment, parents can choose numbers of toys with bright colors, rich patterns, easy to grip, which could give a different sound, such as, rattles, wow bell stick, a small alarm clock, music box, the plastic pinched squeaky toys, small brightly colored socks and small scarves.
Sixth, 3 months old infants will be able to play rattle ring, they began to try effect of touch, hearing, vision and taste. To feel and experience with hand touch, to see the bright colors of various toys with eyes, or even taste the flavor of toys with mouth, shake the 'ring ring' can train baby hearing. These simplest toys are the first step to develop infants' intelligence.