Sensory balls smiley faces 6 pcs AM Tullo colorful 462 Properties: Tullo sensory ball set, perfect for supporting infant sensory development. This product engages every sense of a child. The shapes are adapted to their age and motor skills. In addition to their educational value, sensory balls are also suitable for baby massage. The product can be used in water. The product does not contain BPA, phthalates or heavy metals, making it safe for babies. The balls can be used as a teether during teething. The set contains 6 balls of different shapes and textures, some of them make sounds.