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...