Q: Confirming that this plane does not require assembly.
A: The P-51 Mustang Hot Wings Die-Cast Airplane does not require assembly.
Q: Does the prop spin
A: Yes, the propeller spins on the Hot Wings.
Q: What is the length? I am trying to find - or make this into - a Christmas ornament of the P51 Mustang.
A: This is 4.125" long and has a wingspan of 4.75".