Great challenge - All Piececool model kits are metal model kits. It is normally more difficult to build up metal models than the other made of wood or EPS foam board as metal models are incredibly detailed and need careful attention. So, will you accept this challenge?! Benefits - Benefits of building 3D metal models may include improvements in concentration and memory, problem-solving ability and patience, as well as logic and pattern analysis. The best part is that you'll have so much fun working with them to achieve these benefits. Tools required - Assembling tools are recommended, but not included in this package. Our Piececool professional assembly tools (Clipper and Needle Nose Pliers Tool Set 2pcs) and bending assist tools (Auxiliary Tool Set 6pcs) are recommended to let you build the model much more easily. No glue - The metal sheets are made of premium brass, which can be bent and clipped easily. No glue is needed during assembly. Clear instructions - This laser cut metal model kit comes with well written and illustrated instructions so that you will know exactly what to do step by step. Hours of fun - The most interesting and fun part of metal assembly is to personally transform the seemingly plain metal pieces into cool three-dimensional models. The finished products are really beautiful and delicate, which makes your hours of dedicated work worthwell. Room decoration - 3D metal models are more exquisite and more collectable. You can proudly decorate your room or office with your finished artwork. Gift ideas for adults & teens - Our products are well packaged. It is a great gift idea for birthdays, Christmas and other holidays. Package size: L13.1 x W2.2 x H22.5cm Assembled model size: L12cm×W5.5cm×H3cm Wisdom, courage, calmness, persistence, challenge, passion, dreams, success and failure are intertwined on the track. Fascinating and dangerous are the eternal contradictions of racing. If you are intoxicated with the charm of racing, then assemble a racing car by yourself! The kit comprises 2 stainless steel sheets containing 69 parts and full instructions. The finished car model is full of detail including the open wheels, wider front, and rear wings. Its shiny metal, precise spatial structure, and unimaginable thinking challenges will give the fun of the player-level assembly and collection! Challenge-level for this 3D puzzle: