The three-pack combo set comes with a Dumbbell Rattle, a Cylinder Rattle and Baby Grasping Beads. These toys can be introduced to your little ones around three months or four months of ageÿwhen they are actively trying to grasp things. The Montessori materials help promote fine motor and gross motor skills. It is the perfect starter pack for any parent and makes a wonderful gift. Cylinder Rattle: The beautifully handcrafted rattle is of the perfect size for those little hands. The rattle makes a pleasant sound when shaken. The Cylinder rattle encourages the development of more voluntary movements and coordination in your little one as he/she tries to transfer it from one hand to the other. Baby Grasping Beads: The grasping beads encourage the development of more voluntary movements and coordination in your little one as he/she transfers it from one hand to the other. The perfect shape of this simple toy makes the grasping easy for the baby. Interlocking discs: The interlocking discs are one of the first developmental toys that can be introduced to babies around 3-4 months of age. They are ideal for the child who is beginning to grasp things with both hands. The shape of the discs makes it easy for your child to grasp the toy and to transfer it from one hand to the other. Material: Made from wood and sealed with organic materials. Safe for children.