Stemwurks

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...

Description: Pathfinders PFD-50 Ancient Roman Ballista Wooden Kit The ballista was a powerful weapon “ originally invented by the Greeks over 2000 years ago and widely used by the Romans in battles and sieges. Using the stored energy in twisted sinew the...

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: Qihui 5802 Tech Bricks Hot Rod This is a Tech Bricks "Pull Back" Hot Rod that consists of 177 pieces and is appropriate for ages 6+

Description: Qihui 5803 Tech Bricks Monster Truck This Tech Bricks Monster Truck is a "Pull Back" 4 wheel drive. It consists of 196 pieces and is appropriate for ages 6 and up. It can be combined with QIH5804 to create an 8 wheel truck.