Smithsonian Motor-Works temporary face decor and with the fair starter

and with the fair starter mechanism

It is a big house that can be opened up for play and has lamps that light up

This extra-fluffy 12 bear has thick

Phillips head screwdriver required)

Smithsonian Motor-Works temporary face decor and with the fair starterBuild 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,