This vintage-inspired, retro natural history design features a fearless frog riding an armored Ankylosaurus into playful battle, wielding a stone club in a humorous prehistoric scene. Inspired by the Late Cretaceous Period, the detailed blue line-art illustration highlights the iconic armored dinosaur with its distinctive tail club, creating a fun yet scientifically recognizable tribute to one of Earth's most famous herbivores. The clean white shirt paired with the distressed blue artwork gives it a timeless fossil illustration aesthetic perfect for dinosaur enthusiasts and nature lovers alike. Made from 100% ring-spun cotton (high-quality cotton) with a soft, sensory-friendly feel. Every order funds kelp restoration on the Pacific Northwest coast.