Red Tool Box Bulldozer Building Kit Level 1 Projects Are For Beginners Of All Ages. Skills Developed Include Assembly, Gluing, Hammering, Filing, Full-Guided Bolting, And (Optional) Painting And Decorating. Completed Projects Are Commonly Used Items That Can Be Enjoyed For Many Years To Come! The Bulldozer is free-wheeling and comes with 4 tires. Bulldozer blade slides and tilts. Includes all materials needed to complete the project. Easy to build Includes 4 tires Free-wheeling