Stemwurks

Description: NSI International 49013 Smithsonian Motor-Works 4-Cylinder Engine Kit Build 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...

Description: NSI International 52276 Smithsonian Rocket Science Create and launch your own rocket using a STEM rocket kit that harnesses the power of baking soda and vinegar. This educational kit provides an engaging way to explore the principles of...