Stack and Soothe! Elevated to perfection, our Itzy Stacker™ silicone stacking and teething toy offers sensory exploration with multiple textures for baby to engage & enjoy! Watch as baby learns fine motor and problem-solving skills with consciously crafted pieces that easily nestle together & instantly soothes with soft textures to massage sore gums. The sky’s the limit – stack away, babe! - 6 Silicone stacking rings with fun character topper helps improve fine motor skills. - Food grade silicone teether helps soothe sore gums. - Numbered toys nestle together for storage. - 3m+