Our 3-D interlocking plastic dinosaur puzzles continue to be popular, and for good reasons. They're fun, colorful, and they challenge your mind and hands. Have fun opening the plastic egg case and fitting the pieces together to create your own dinosaur! When he's put together, you can leave him on display, or put the pieces back for another time. Each 3-D puzzle comes with a schematic in case you get stuck, but we don't think you'll need it. We have a nice selection of dinosaur puzzles along with other interesting animals. Come check them out!Dilophosaurus dinosaurs come from the Early Jurassic Period, and are named for the two crests on their heads. Dilophosaurus was not described until 1954.