Stemwurks sales

Description: NSI International 49010 Smithsonian Electronic Crystal Growing Kit The Smithsonian Electronic Crystal Growing Kit gives kids all the tools they need to grow frosty diamond-shaped crystals using potassium sulfate and spiky crystals with...

Description: NSI International 52042 Smithsonian Glow in the Dark Giant Volcano Build your very own model volcano! The orange glow-in-the-dark paint creates the effect of lava flowing down the sides. When your 14-inch volcano is dry, erupt it with baking...

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-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...

Description: Pathfinders PFD-22 Leonardo Da Vinci Trebuchet Wooden Kit Considered by many to be the most powerful and destructive of all the siege engines, the trebuchet took many forms throughout the Medieval world, hurling huge rocks, giant fireballs...

Description: Pathfinders PFD-28 Hydraulic Robotic Arm Wooden Kit This robotic arm is an easy to make 3-dimensional model that grabs, lifts items horizontally, and can turn very close to 90 degrees! Designed to be used alone (with a nice syringe holder),...