Stack and Soothe! Elevated to perfection, this Itzy Ritzy Itzy Stacker Silicone Stacking Toy and Teether 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!