40783 LEGO Wonders of the Natural World Coral Reef Diorama

LEGO 40783 Coral Reef Diorama is a Promotional Wonders of the Natural World set released in 2025, containing 260 pieces. Offered as a gift-with-purchase, it builds a compact coral reef display with rockwork, corals, and aquatic plants. The scene includes fish and small sea creatures such as a starfish and crab, plus a glow-in-the-dark jellyfish element. It is the second entry in the Wonders of the Natural World series celebrating notable natural environments.