Looking for a fun and unique activity for your child's next birthday party? Jurassic World Hatching Eggs are the perfect solution! Just add water and watch as the egg hatches into a dinosaur. These packs come with four eggs, so there's plenty of fun to be had. The eggs will hatch in a few hours so the kids will be able to compare their dinosaurs at school on the coming days and they are a great gift from them to bring home after the party.