Nesting set made from durable plywood and shatter-resistant acrylic mirrors Encourage stacking, sorting and self-awareness Includes 3 nesting house shapes with inset mirrors Largest piece measures 10"W x 10"H x 7"D Ages 18 months and up 18 months & up. Reflections are fascinating to young children. The reflective inserts in the Nesting House Mirror Set will entice, engage, and entertain young children as they explore and develop self-awareness. Encourage innate curiosities as children stack, sort, nest and explore. Rubberwood frames and shatter-resistant inserts make this set a durable addition to block play activities as well. Largest piece measures 10"W x 10"H x 7"D.