Products

Product Description Battering Rams over the millennia had to evolve as the fortress defenders improved their techniques to repel the atta...

Product Description This catapult is one of da Vinci’s redesigns from the medieval catapults of 400 or so years earlier. While the Medieval ...

Product Description Flying has always been a dream of humans, and Leonardo’s fascination with birds and flight was evident in his studies of...

Product Description While Trebuchets were common siege engines in Medieval Times, Leonardo’s take on the most powerful weapon of the time wa...

Product Description Hydraulic Gearbots are not all that common, but the fun thing about this one is that it is relatively easy to make, will...

Product Description The 4 in 1 STEM Hydraulics kit has 4 small kits that introduce kids to simple hydraulics, and their application to...

Product Description The catapult has a long and interesting history. It has been around in many forms, evolving since about 400 BC. This mod...

Product Description Considered by many to be the most powerful and destructive of all the siege engines, the trebuchet took many forms throu...

Product Description This robotic arm is an easy to make 3-dimensional model that grabs, lifts items horizontally, and can turn very clo...

Product Description The ballista was a powerful weapon – originally invented by the Greeks over 2000 years ago and widely used by the Romans ...

Product Description The Onager was a powerful siege engine used by the Roman Army during the late Roman Empire in battle and to lay siege ...