You can journey back in time to the jurassic period with wild republic dinosaur nature tubes. Spark you child's curiosity in prehistoric animals through play with these replicas. These realistic dinosaur figurines measurements are t rex 2 ¾ (2 pcs), triceratops 2 ½ (2 pcs), velociraptor 2 ¾ (1 pc), dilophosaurus 2 ¾ (1 pc), stegosaurus 2 ¾ (1 pc), brachiosaurus 3 (2 pcs), giganotosaurus 2 ½ (2 pcs), pteranodon 2 ¾, parasaurolophus 2 ¼ (2 pcs), pachycephalosaurus 2 ½ (2 pcs), iguanodon 2 ½ (2 pcs). The word dinosaur is from the greek deinos (terrible) and sauros (lizard). Dinosaurs have unusual names and are often named according to where they were found, or something unusual about them. Tyrannosaurus rex “ tyrant lizard, triceratops “ three horned face, velociraptor “ quick plunderer, dilophosaurus “ two crested lizard, stegosaurus “ roofed lizard, brachiosaurus “ arm lizard, giganotosaurus “ giant southern lizard, pteranodon “ winged without tooth, parasaurolophus “ another dinosaur, pachycephalosaurus “ thick headed lizard and iguanodon “ iguana tooth. Wild republic has been a leader developing animal related educational toys and plush for kids since 1979, with a unique specialization in realistic animals. Perfect for creative play, educational materials, party favors and decorations.