Description H:15 x W:15 x D:4 cm Natural Wooden LED Block. The Koru (Maori for “loop”) is a spiral shape based on the unfurling silver fern frond of the ponga plant. The Maori Koru design carries a spiritual meaning, one of peace, tranquility, positive change and new beginnings. LED light is powered by 2 x AAA batteries, included in pack.