Smithsonian Motor-Works Kit
Spot on Value!
Build a working model of a 4-cylinder engine with the Smithsonian Motor-Works kit! It includes valves rock, spark plugs, fire and pistons drive crankshaft, which all screws together so it’s easy to build.
- Includes, over 100 parts that screw together easily, and detailed instructions
- Battery operated moving parts and lights
- Ages 8 and up
- Requires 4 AA batteries, 1 pair of scissors and screwdriver, not included