The K'NEX Knexosaurus Rex Motorized Building Set is a creative and fun toy featuring a dinosaur theme. With 255 pieces made of plastic, children aged 7-11 can build their own model of the Knexosaurus Rex. This gear building set is battery-powered, making it interactive and exciting for kids who enjoy construction and creativity. The set comes in a multicoloured packaging box, perfect for young builders looking to unleash their imagination and engineering skills.