This Nifeliz Knuckle Chopper Motorcycle Building Kit is a must-have for any aspiring engineer or motorcycle fan. It features 451 intricately designed pieces that come together to create a highly detailed and functional model. The realistic gear mechanisms and working 4-piston engine allow builders to explore how motorcycles operate in a safe and hands-on way. It is a great way to develop patience, fine motor skills, and a deeper understanding of mechanical systems.","Whether you're looking for a unique gift or a fun and educational project, this kit offers an exciting challenge suitable for those aged 12 and above. Its eye-catching design and accurate scale make it ideal for display, giving a true representation of the real-life motorcycle. With every step of the build, you'll uncover how different parts of the bike work together, making it both engaging and informative.