Stemwurks

Description: Magcraft NSN0601 Rare-Earth Disc Magnets, 0.25 in. Diameter x 0.1 in. Thick, 50-Count These disc magnets are 0.250 inch (6.4mm) diameter and 0.100 inch (2.5mm) thick. They are magnetized through the thickness. They are composed of grade 40...

Description: Magcraft NSN0610 Rare-Earth Block Magnets, 0.25 in. Long x 0.25 in. Wide x 0.1 in. Thick, 50-Count These block magnets are 0.25 inch (6.4mm) long, 0.25 inch (6.4mm) wide, and 0.1 inch (2.5mm) thick. They are composed of grade 40 neodymium...

Description: Magcraft NSN0732 Rare-Earth Disc Magnets, 0.375 in. Diameter x 0.0625 in. Thick, 40-Count These disc magnets are 0.375 inch (9.5mm) diameter and 0.063 inch (1.6mm) thick. They are magnetized through the thickness. They are composed of grade...

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...

Description: OwiKit OWI-MSK36524 X in 1 Renewable Energy Kit If you are familiar with OWI products, you are well aware of the Mini Solar Kit line. For almost 4 decades award winning kits have followed one another in succession. This year OWI supplemented...

Description: OwiKit OWI-MSK682 Solar Wild Boar Let™s work together to be a part of the larger conversation of energy efficiency and celebrate environmental friendliness and sustainability. Empower your children with the knowledge to make our world a...

Description: OwiKit OWI-SLK058 Solar/Battery Top Fuel Dragster OWI's newest model of solar racing features not one, but two forms of power. The Solar/Battery Top Fuel Dragster, which gets its namesake from its long powerful dragster like frame (8.25"x3...

Description: OwiKit OWI-SLK144 Kinetic Racer Create and store energy with OWI™s Kinetic Racer. This 14-piece kit requires zero batteries, and is the perfect tool to teach sustainable energy, while also providing sustainable fun! Boys and Girls ages eight...

Description: OwiKit OWI-SLK173 Rookie Solar Racer v3 OWI™s farm system has cultivated yet another possible Rookie of the Year prospect. Rookie Solar Racer V3 is the latest version of the successful line of Rookie Solar Racers. The modernized variant...

Description: Pathfinders PFD- 18 Leonardo Da Vinci Ornithopter Wooden Kit Flying has always been a dream of humans, and Leonardo™s fascination with birds and flight was evident in his studies of birds and different human powered flying machines. His...

Description: Pathfinders PFD-19 Leonardo Da Vinci Helicopter Wooden Kit One of Leonardo™s most iconic images, the Aerial Screw (also known as the Helicopter) illustrates the ingenuity of da Vinci, and indicates (along with many other drawings!) his...