Eco-friendly kindergarten, natural materials, reclaimed wood accents, green roofs, solar panels, rainwater harvesting systems, organic gardens, butterfly-friendly flowers, birdhouses, educational signage, interactive exhibits, children's art displays, recycled plastic play equipment, rubber mulch flooring, soft warm lighting, shallow depth of field, 1/1 composition, intimate scale, cozy reading nooks, natural ventilation systems, non-toxic paint finishes, minimal waste design, circular economy principles.