This is for 2 boxes of engine model kit parts. May or may not be missing pieces. It looks to all be there but i have no clue. I would assume between the 2 boxes there is enough there to make 1 complete engine.

The Revell Visible V-8 Engine 1:4 Scale Model Kit is a highly detailed and intricate unassembled kit that allows enthusiasts to assemble a moving piston and crank model of a V-8 engine. This multicolor plastic kit, manufactured in 2011, includes all necessary components to build the replica, making it perfect for transportation and automotive enthusiasts aged 12-16 years and above. With a skill level of 5 - Expert, this model kit from the trusted brand Revell offers a challenging and rewarding building experience for hobbyists interested in automotive modeling.