Smithsonian Motor-Works air art Size (IN) - 10" Sitting

Size (IN) - 10" Sitting

Once you're down to a face or two-solve the mystery by guessing who

and Bertie is ready to bring you both

and curiosity to your home

four medium sized brushes

Smithsonian Motor-Works air art Size (IN) - 10" SittingBuild 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,