Stemwurks

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 630432 Kids First Big & Fun Microscope This big, colorful microscope was designed specifically to enable young kids to have successful microscopic viewing experiences, and to be a fun tool for early biological investigations...