Stemwurks

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...

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-23 Medieval Catapult Wooden Kit The catapult has a long and interesting history. It has been around in many forms, evolving since about 400 BC. This model is based on the medieval styles that were used during the middle ages...

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),...

Description: Pathfinders PFD-32 Leonardo Da Vinci Trebuchet Wooden Kit While Trebuchets were common siege engines in Medieval Times, Leonardo's take on the most powerful weapon of the time was unique - his design used one main mast, different from all...

Description: Pathfinders PFD-39 Hydraulic Gearbot Wooden STEM Activity Kit Hydraulic Gearbots are not all that common, but the fun thing about this one is that it is relatively easy to make, will amaze your friends, and you can toss popcorn around when...

Description: Pathfinders PFD-5 Hydraulic Machines 4 In 1 Wooden STEM Activity Kit The 4 in 1 STEM Hydraulics kit has 4 small kits that introduce kids to simple hydraulics, and their application to levers and simple machines. These kits provide hours of...