Stemwurks

Description: NSI International 22242 Smithsonian 40mm Refractor Telescope Get your gazing on with this sleek Smithsonian 40mm Refractor Telescope Kit with tripod! This beginner telescope is great for star tracking as well as viewing wildlife,...

Description: NSI International 22249 Smithsonian Microscope Kit The Smithsonian Microscope Kit lets you view leaves, pollen, insect parts, and fibers at up to 900 times their size! This kit includes everything you need to study organisms around you - 3...

Description: NSI International 49009 Smithsonian Mega Science Lab The Smithsonian Mega Science Lab has six STEM kits in one! Observe the process of crystal formation, assemble and paint a model of the earth and moon, and erupt your very own volcano...

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 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 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: NSI International 52278 Smithsonian Robo Spider Design and construct your very own robotic spider equipped with eight multi-jointed legs that accurately mimic the walking movements of a real spider. Features: ¢ Motorized and Battery Operated...

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...