18 months & up. Discover reflection, symmetry, and imaginative play! The Nesting House Mirror Set invites children to explore light, reflection, and perspective through engaging, hands-on play. Featuring a series of house-shaped frames with mirrored interiors, this unique set encourages children to observe how objects change, repeat, and interact-supporting early STEM learning and visual discovery. Children can nest, stack, and arrange the houses in multiple ways, building spatial awareness, problem-solving skills, and fine motor control. The reflective surfaces create fascinating visual effects that spark curiosity and inspire open-ended exploration, whether used with loose parts, blocks, or natural materials. Ideal for light tables, sensory areas, or block play centers, this set promotes language development, creativity, and inquiry-based learning. Durable and classroom-ready. Largest piece measures 10"W x 10"H x 7"D.