The Revell 1:4 Scale Visible V8 Engine Model Kit is ideal for the car enthusiast as well as for educational purposes. Winner of the 2008 Parents Choice Award and Silver Honor 1995 Doing and Learning Toy, it gives children ages 12 years and older a constructive hobby with benefits. It helps them develop coordination, improves dexterity and reading comprehension. It also gives children and teens a better understanding of how an internal combustion engine works. The educational tool features moving pistons and connecting rods. It provides children with a visual display that shows how a hand crank operates the pistons, camshaft rocker arms and valves. As you turn it, each of the parts moves, just like the real thing. The Revell 1:4 Scale Visible V8 Engine Model Kit comes with 314 parts, a display stand and screwdriver for a quick and easy assembly. Paint and glue are required, each sold separately.