Smithsonian Motor-Works air art A magical set full of

A magical set full of endless play possibilities for all imaginative children

Step into the high-energy

Why do artists draw themselves

four medium sized brushes

Smithsonian Motor-Works air art A magical set full ofBuild a working model of a 4 cylinder engine, then hook up the cables to a battery box and watch the engine begin to turn. Watch the valves rock, spark plugs fire, and pistons drive the crankshaft! Features battery operated moving parts and lights. A STEM poster explains how internal combustion gasoline engines operate and illustrates the four cycles intake, compression, power, and exhaust. Build a working model of a 4 cylinder engine. Valves rock,