🚀 Build Your Legacy with Every Piece! Comes with illustrated instructions to guide you through every step of the build. Hood tilts to reveal a meticulously crafted turbocharged six-cylinder diesel engine. Includes decals for optional stripes and custom graphics to make your model truly unique. Perfect for ages 12 and up, this model kit is designed for the aspiring engineer in you. Craft a stunning 1:25 scale Kenworth 900 Aerodyne with 115 detailed pieces! 1:25 Scale Turbocharged Engine 115-Piece Kit The Revell 85-1507 Kenworth 900 Aerodyne Tractor is a 1:25 scale model building kit featuring 115 pieces, designed for ages 12 and up. This kit includes a detailed turbocharged six-cylinder diesel engine, chrome plated parts, and customizable decals, making it a perfect project for model enthusiasts and aspiring builders alike.