Fully Articulated Joint Design: Experience the magic of 3D mechanics! These dinosaur skeleton models feature flexible, interlinked joints that allow the body to move, wiggle, and pose fluidly like a real creature, offering a higher quality play experience compared to static figures. Satisfying ASMR Fidget Toys: Perfect for keeping hands busy. The smooth movement and subtle "clicking" sound of the joints provide incredible sensory feedback, making them ideal 3D fidget toys for stress relief, ADHD, or focus in the classroom and office. Massive 12-Piece Prehistoric Collection: Unlike random packs, this set includes 12 specific figures: fan-favorites like the Tyrannosaurus Rex, Triceratops, Stegosaurus, and Velociraptor, plus unique creatures like the Mammoth, Pteranodon, Ankylosaurus, Dilophosaurus, Ichthyosaurus, Dimetrodon, Sarcosuchus, and Deinosuchus. Perfect for collectors and educational play! Advanced 3D Printed Technology: Crafted with precision using PLA filament. Unlike cheap plastic molds, these 3D printed animals showcase intricate layers and vibrant details, ensuring durability and a unique, high-tech texture that kids and collectors love. Versatile Decor & Education: More than just a toy—use them as educational models to teach biology, cool desk decorations, or conversation starters. This 3D printed dinosaur set combines science, art, and relaxation in one captivating package.