Stemwurks

Description: Pathfinders PFD-51 Ancient Trojan Horse Wooden Kit Ancient Greek legends have many references to the Trojan Horse “ a huge wooden horse that was left in Troy “ with warriors inside. When it was brought into the walled city, the warriors came...

Description: Pathfinders PFD-52 Ancient Roman Catapult Wooden Kit Originally invented by the Greeks* over 2000 years ago and widely used by the Romans in battles and sieges, the Catapult had many different methods of launching projectiles. During the...

Description: Pathfinders PFD-54 Ancient Roman Onager Wooden Kit The Onager was a powerful siege engine used by the Roman Army during the late Roman Empire in battle and to lay siege to city walls and fortifications in their territories around the...

Description: Pathfinders PFD-56 Sky Surfer Airplane Launcher STEM Activity Kit The new Sky Surfer launches planes in a predictable and repeatable way “ for testing your airplane designs so you can figure out the best way to make planes for long flights,...

Description: Pathfinders PFD-57 Ancient Roman Battering Ram Wooden Kit Battering Rams over the millennia had to evolve as the fortress defenders improved their techniques to repel the attackers. Starting with simple huge logs held by many attackers, to...

Description: Thames & Kosmos 550014 Ultralight Airplanes Construct awesome flying gliders with ultralight plastic and bamboo parts. Build five different types of planes with different wing configurations to learn how wings provide lift and how planes...

Description: Thames & Kosmos 550030 Solar-Powered Rovers The sun™s energy can be used to do some pretty astonishing things! Get ready to explore the amazing capabilities of solar energy by building your own solar-powered vehicles and devices. Using a...

Description: Thames & Kosmos 550038 SpringBots: 3-in-1 Spring-Powered Machines Build a motorized robot, race car, and countdown timer, all that run without any batteries or electrical power! The secret behind these fascinating machines is a power...

Description: Thames & Kosmos 625412 Physics Workshop Almost everyone has heard of a chemistry set. But until this ground-breaking kit was introduced, a physics set was almost unheard of. Physics is an essential science for everyone, and this kit provides...

Description: Thames & Kosmos 625414 Structural Engineering: Bridges & Skyscrapers Do you ever wonder how bridges span huge distances and how skyscrapers stay standing? Structural engineers use physics and their knowledge of the properties of building...