Stemwurks

Description:Academy Models 18130 Da Vinci PaddleboatThe paddle wheels operated by mechanical spring. Two pedals set the mechanism in motion that are linked to a belt, creating a reciprocating motion to rotate the paddles

Description:Academy Models 18135 Da Vinci Solar Powered Turtle Ship This turtle-shaped warship played a major part in the Sa-Cheon Naval Battle during Im Jin War (1592-1598), and successfully led the country to victory. It featured iron plating, guns on...

Description:Academy Models 18136 Da Vinci Armored CarThe Da Vinci Armoured Car is an interpretation of the original drawing, designed during the Renaissance era by the famous Italian scientist and artist, Leonardo da Vinci. This spring powered kit is a...

Description:Academy Models 18137 Da Vinci CatapultCatapults were first invented during the era of the Ancient Greeks and Romans, however it was during the Middle Ages that they came to prominence. Leonardo da Vinci developed a range of innovative war...

Description:Academy Models 18142 Da Vinci Spingarde Field Artillery Gunp The Da Vinci Spingarde Field Artillery Gun (Approx 12"L). The retractable cannon launched targeted projectiles. Due to its ability to move in all directions it had a broad field of...

Description:Academy Models 18146 Da Vinci Flying Machine Leonardo Da Vinci developed a number of designs that were well before their time. His vision of vertical flight with his spiral helicopter, paddle wheel-powered vessels, and the early armored car...

Description:Academy Models 18150 Da Vinci ClockLeonardo Da Vinci developed a number of designs that were well before their time. Here is a representation of da Vinci's clock which uses a horizontal pendulum and weights for power. This kit is completely...

Description:Academy Models 18174 Da Vinci Rolling Ball Timer Plastic Model KitIThe Da Vinci Rolling Ball Timer kit was inspired by a sketch of an escapement mechanism drawn by Leonardo Da Vinci. Using the laws of motion and the concepts of gravity and...

Description:Academy Models 18185 Da Vinci Series G.E.T. ClockInspired by the principles of Leonardo Da Vinci, the G.E.T. Clock has incorporated the mechanism of the real time pieces. An escapement is a device in a clock or watch that controls the motion...

Description: Atlantis Models M6052 Wright Cyclone Radial Aircraft Engine C9HE 1/12 Scale Educational STEM Plastic Model Kit This kit comes molded in Red, Black, Gray and Bronze just like the original. All new packaging, decals, instructions and STEM...

Description: Nanoblock NB-021 Real Hobby Series Titanic The luxury liner Titanic is now available on a single Nanoblock, reproduced with drift ice. For contruction set fans everywhere, this World Famous Nanoblock Advanced Hobby Series is perfect for you!...

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...