Brass 3D Metal Dolphin Assembly Model Building KitsFeatures:.Bionic Design: Experience the future of mechanical aesthetics with this bionic mechanical dolphin, perfectly blending technology and art. A superb gift for art, engineering, and metalwork enthusiasts, as well as for children interested in STEM education..Engaging Assembly: Enjoy assembling premium quality metal parts to create a stunning steampunk dolphin model, enhancing your spatial imagination and hands-on skills..Educational Value: Learn about mechanical structures, bionics, and physics principles while assembling—great for STEM education in schools or museums..Realistic Features: The streamlined body, tail fins, and pectoral fins of the dolphin are meticulously crafted, offering high realism in the finished product..Premium Metal Parts: Made entirely from metal components, this model is durable and has a solid, weighty feel, ensuring stability and long-lasting quality.Specifications:.Material: Metal.Number of parts: 700+.Assembly time: 5-6 hours.Product Weight: 900g.Package Weight: 1500g.Product Dimensions: 26 x 22 x 28cm.Package Dimensions: 30 x 24 x 8cm.Packing: Box.Ages: 16+