LEGO 577-Piece Dinosaur Fossils: T. rex Skull Building Set

This building set includes 577 pieces for a detailed build. It features a posable T. rex skull with an opening jaw, a stand, and a hidden ‘amber’ piece. The LEGO Builder app allows for 3D model rotation, progress tracking, and set saving. The price drops from $39.99 to $31.99. Shipping is free for orders over $35, or it adds $6.99.