Item Type: Textured Sensory Ball Material: Plastic 1Grasp Training: 6pcs of textured ball, with different sizes and shapes, help exercise baby hand grasping ability. Moderate brightness and color saturation to develop visual color discrimination. 2Parent Child Interaction: Each ball has a unique texture design to help promote baby tactile nerve development. Parents and children play together to promote parent child interaction. 3Make Squeak: There is a small hole in the bottom of each hand grasping ball, when the baby squeeze the ball, it makes squeak, funny for baby to play. 4Multiple Applicable Scenarios: Thoughtful gifts for babies on birthdays and Christmas, they will like it. Light weight and compact, easy to carry, suitable for home and beach. 5Plastic Material: Textured sensory ball is made of excellent plastic material, safe and eco friendly, with moderate hardness, easy to knead and squeeze, durable.6 x Textured Sensory Ball