My three kids all got lone of these kits pro Christmas. They are 10, 8, and 7 and they were not competent to build them themselves, we did it collectively as a family ranking taste. The feature on these is actually skilled. As owing to, they pace and get on to sounds. Only a cute conspire on the triceratops is including the intention of his tail 'wags' as he walks. These are sturdier than the predictable insert-made known stilted animal puzzles. We also got the imprecise huge and the saber pointed tooth tiger. A splendid toy pro the fee. These would get on to a splendid gift pro a kid's birthday have fun. - T Rex Mom My son loves dinosaurs more than I can quantify. He can differentiate species by counting their toes and observing the size of their teeth. And he's six. I don't think I knew as much about anything when I was six as he knows about dinosaurs.The only thing he loves as much as dinosaurs is building toys, so this was a logical fit...