This is the 1/35 Scale US Self-Propelled 155mm Gun M40
Plastic Model Kit from Military Miniature Series by Tamiya.
Suitable for Age 14 & Older.
FEATURES: Highly detailed plastic pieces molded in olive green and gray
Rear has moving spade and choice of open/closed gate
Accessories include ammo rack, projectile and propellant parts
Photo-etched engine grills