If you've got a budding engineer or mechanic on your hands, this metal construction kit for an off-road excavator vehicle is just the thing. It comes with real tools and full instructions so they can get to work making their own motorised excavator with moving wheels. They'll learn how to assemble it using the metal nuts, bolts and wheels provided and will get a real sense of satisfaction when all of their hard work pays off and they have a new toy to play with at the end.