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Spinosaurus is a famous giant carnivorous theropod dinosaur. It lived from 112 million years ago to 93 million years ago in the Cretaceous period. It was 11-15 meters long and weighed 4-10 tons. Spinosaurus is a semi aquatic animal, good at fishing, to small and medium-sized fish for food, but also eat carrion Ankylosaurus lived between 68 and 66 million years ago at the end of the Cretaceous. Jialong's head is wide and flat, covering the thick deck on its face and the triangular spines on the upper side of its head, making its head like a steel helmet. Its tail is straight as an iron bar, and its tail hammer is different and slightly flat Stegosaurus is a huge herbivorous dinosaur, which lived in the late Jurassic. It has a row of huge bone plates on its back and a dangerous tail with four spines to defend against predators. It is about 7-9 meters long, 2.35 meters to 3.5 meters high and 2-4 tons heavy. They live on plains and live with other herbivores in a nomadic way Dinosaur toys are kids' favorite. Science Can crystal growing kit combines dinosaurs with crystals, making this scientific experiment more eye-catching. There are also 3 different shapes and colors of crystal dinosaur kits to meet different kids' preferences







