John Deere Monster Treads Tractor with separate trailer that can be removed. Large soft wheels. This Monster Treads John Deere Tractor & Wagon features an 8 inch modern-styled tractor with super bouncy Monster Tread tires, along with big gravity wagon that has deep treaded wide tires. Made of durable plastic. Tractor with Wagon attached Measures approximately 17 inches long by 5.25 inches wide by 4.75 inches high (to top of wagon).